Blog           I learned today that one of my tutoring students actually checks my changelog. Hi! :) 2018/02/16 23:51
Blog           Besides editing cribsheets, I am in the middle of editing an article for a physics education journal 2018/02/16 23:52
Blog           The article went to the publisher this past week! 2018/03/10 23:50
Blog           The article was published: https://doi.org/10.1119/1.5028250 2018/03/24 1:40
Comment   COMMENT       Illustrator can leave edge artifacts on PNGs I need to PhotoShop out 2017/12/14 12:15
Comment Medium COMMENT AP Physics 1 3.3 Spring force It bothers me that some forces are not illustrated, but I'm not using net force to study acceleration 2018/01/04  
Comment   COMMENT AP Physics 1 7.1 Work done by a force The displacement vector looks like a force. That's confusing. 2018/01/04  
Comment Medium COMMENT AP Physics 1 7.2.1 Potential energy It bothers me that some forces are not illustrated, but I'm not using net force to study acceleration 2018/01/04  
Comment   COMMENT AP Physics 1     Comparing cribsheets, I see that some of the force arrows for Fspring are bold (vector), some are Italic (magnitude) 2018/01/04  
Comment   COMMENT (Technical)     bbbbb 2018/01/18 0:52
Comment   COMMENT       Hunch: Was there something on a cribsheet that lacked the subscript "AVG"? 2018/01/29 13:03
Comment   Cosmetic       Image cut off artifact seen in AP Phy C EM E1.3 does not appear in another PDF containing same conductor equilibrating figure in AP Phy 1 2018/02/05 23:36
Comment   COMMENT AP Physics 1 5.2 Not-necessarily-conservation laws Checked there is no overbrace on the extra work term referring to net work 2018/02/07 12:54
Comment   COMMENT AP Physics 1 5.1 Impulse delivered by a force Noticed that the initial pictures don't seem to show acceleration (OK bc force might not have been present before ti) 2018/02/07  
Comment   Cosmetic       In AP Phy 1/C Mech 8.1 look again in a few days at placement of rot. kinematics figure in page 2018/02/12 13:27
Comment   Cosmetic AP Calculus BC 5.1 Series, tests, and remainders Come back in a few days to look at alignment of words in absolute convergence chart 2018/02/14 13:53
Comment   Cosmetic AP Physics     Consider a different convention for dashed bubbles: Tightly shrink-wrapped around system to avoid inadvertently including non-system in bubble 2018/03/09 21:26
COMMENT Medium Cosmetic AP Physics 2 12.8 Capacitors Add voltage braces to energy storage figure (this was already done at some point) 2018/06/04 16:24
Comment Tedious Cosmetic AP Physics 1 10.2 SHM UCM connection Some ghost image springs are missing (there are three snapshot springs) 2018/06/13 23:55
Comment Copy fig Cosmetic AP Physics 1 10.3 SHM cribsheet Some ghost image springs are missing (there are three snapshot springs) 2018/06/13 23:55
Comment   COMMENT       Zoom in styles for electric force, electric field/potential, line integral work, line integral Delta V, residual strong force on several cribsheets inconsistent 2018/06/20 22:13
Comment   Comment AP Physics 1 5.1 Impulse delivered by a force Spacing between initial & final slightly different in impulse & work handouts, not sure either spacing is correct 2018/06/22 2:15
Comment   Comment AP Physics 1 7.1 Work done by a force Spacing between initial & final slightly different in impulse & work handouts, not sure either spacing is correct 2018/06/22 2:15
Comment   Comment AP Physics 1     Consider (during wakefulness): Whether spacings for 5.1 & 7.1 need to be consistent across handouts; are scalings correct within handouts? 2018/06/22 2:19
Comment   COMMENT AP Physics 1     I think one of the figure sets (momentum?) was made first; am I creating vague memories of nudging by dead-reckoning ghost images after nudging a copied figure? 2018/06/22 2:34
Comment   Comment       Recently added imitation old CS6 arrowhead into newer Illustrator arrowhead inventory (can fix SHM-UCM and some rotational arrows soon) 2018/06/25 0:21
Comment   Comment AP Physics 1 8.2 Torque and rotational inertia Complaint: Missing visual indication that force is sustained throughout push in each example case 2018/07/02  
Comment Easy Cosmetic AP Physics 1 11.1 Waves Change lowercase m to uppercase m (for string); CANCELLED: Stay consistent with typesetting in AP exam    
Comment Easy Cosmetic AP Physics 1 11.2 Speed of wave on string Change lowercase m to uppercase m (for string); CANCELLED: Stay consistent with typesetting in AP exam    
Comment   COMMENT AP Physics 1 12.1 Electric charge and force (Also affects Physics C EM): Charging by induction has slight polarization in the third panel, but not the second    
Comment Tedious Missing item AP Physics 1 12.3.1 Electric potential Sign of the test charge in the hand-does-work snapshots seems to be deliberately omitted    
Comment Easy COMMENT AP Physics 1 7.2.1 Potential energy Could add scale to grid for gravitational potential energy, but don't have to    
Comment Medium Cosmetic AP Physics 2 7.2.2 Potential energy landscapes (Also for Physics C Mech): Few days after 2018/06/10, check aesthetics of vertical alignment of Delta v vectors    
Comment Easy Cosmetic AP Physics C EM E1.2 Electric fields and potentials with calculus Intentional?: Unneeded faint line for one of the faint pieces of tofu in the integrate-over-potato-to-get V picture    
Comment Medium Cosmetic AP Physics C Mech A.1 Spatial integrals for AP Physics C Mech Intentional?: Unneeded faint line for one of the faint pieces of tofu in the integrate-over-potato picture    
Comment Tedious Cosmetic       A lot of the calculus cribsheets of kerning errors or hyphens in place of what should be minus signs    
No rush   Comment AP Physics C Mech 8.1 Rotational kinematics and dynamics cribsheet calc Consider whether to delete dL/dt = Net Tau 2018/02/09  
No rush Tedious Cosmetic       In many files, a hyphen has been incorrectly used where a negative or, perhaps, subtraction, sign should have been 2018/03/10 23:50
No rush   Comment   17.1 Quantum physics Pressing CTRL + "+" could have made some text subscripted without being noticed - think it's OK; nudge photon blue dashed arrow ends sometime 2018/06/15 16:05
No rush Tedious Cosmetic AP Calculus AB   (Multiple) Kerning and alignment errors throughout    
No rush Medium Missing item AP Calculus BC 5.1 Series, tests, and remainders Add ghost images of the "left" blocks for integral test (no rush because AP course doesn't really require proofs)    
No rush Tedious Cosmetic AP Calculus BC   (Multiple) Kerning and alignment errors throughout    
No rush Tedious Cosmetic AP Physics 1 4.5 Gravitation Long-term: Redraw hands to touch each other    
No rush Easy Cosmetic AP Physics 1 5.0 Newt 2 can be re-expressed Text in momentum and energy columns misaligned    
No rush Medium Cosmetic AP Physics 1 10.3 SHM Ignoring gravity Adjust vertical alignment of text in tables and corresponding figure parts    
No rush Tedious Cosmetic AP Physics 1 12.1 Electric charge and force Long-term: Redraw hands to touch each other    
No rush Medium Cosmetic AP Physics 1 12.4 Current A few days after 2018/05/24, check nudging/spacing of table of current formulas    
No rush Tedious Beyond scope AP Physics 1 12.4 Current Increase accuracy of battery diagram (necessary to illustrate a redox reaction?)    
No rush Medium Cosmetic AP Physics 1 7.2.1 Potential energy Add force arrows on stationary "ends" (Earth, wall)    
No rush Easy Cosmetic AP Physics 1   (Multiple) Remove most of the SiQuENC sheets    
No rush Tedious Cosmetic AP Physics 2 12.8 Capacitors Fine sizing (not just set figures all to 16.25%) - probably not isolated problem    
No rush Tedious Missing item AP Physics 2 13.1 Magnetism Figures don't illustrate relationships between variables using multiple cases (less detail than Coulomb's law cases figs)    
No rush Tedious Missing item AP Physics 2 14.1 Electromagnetism Add a magnetic field line conserving argument for Lenz    
No rush Tedious Cosmetic AP Physics C EM E1.1 Electric charge and force Long-term: Redraw hands to touch each other    
No rush Tedious Missing item AP Physics C EM E1.2 Electric fields and potentials with calculus Other representative differential displacements and local E vectors missing from 1st picture of path (annoying to calculate individual E vectors)    
No rush Tedious Cosmetic AP Physics C EM E1.5 Capacitors Fine sizing (not just set figures all to 16.25%) - probably not isolated problem    
No rush Medium Cosmetic AP Physics C EM E2.1.1 Current A few days after 2018/05/24, check nudging/spacing of table of current formulas    
No rush Tedious Beyond scope AP Physics C EM E2.1.1 Current Increase accuracy of battery diagram (necessary to illustrate a redox reaction?)    
No rush Copy figs Missing item AP Physics C EM N1.1 Electromagnetism Add a magnetic field line conserving argument for Lenz    
No rush Easy Cosmetic AP Physics C Mech 7.1.2 Work done along a path (Postponed) Label point P on diagram and update steps list accordingly    
Queued Tedious Missing item AP Calculus BC 5.1 Series, tests, and remainders Add figure: Geometric series (MR)    
Queued Tedious Missing item AP Calculus BC 5.1 Series, tests, and remainders Add figure: p-series (MR)    
Queued Tedious Missing item AP Calculus BC 5.1 Series, tests, and remainders Add single efficient figure: Comparison tests (MR)    
Queued Medium Cosmetic AP Physics 1 3.5 SiQuENC Forces pg. 2: re-align dashed bubble, change Zzz to dot labeled v = 0, thin out second purple angle arc    
Queued Tedious Missing item AP Physics 1 5.5 Opt momentum transfer Add velocity vectors, momentum bar chart, & modify opacities on whooshies and explosions    
Queued Tedious Missing item AP Physics 1 6.1 Center of mass cribsheet Illustrate a later snapshot with later velocities and Delta velocities (MR)    
Queued Medium Cosmetic AP Physics 1 8.1 Rotational kinematics and dynamics cribsheet Ang mom figure: Move velocity label; check nudging of ang. mom figure in page    
Queued Easy Cosmetic AP Physics 1 8.1 Rotational kinematics and dynamics cribsheet Change order in which torque, Newt II of rotational motion, and rotational inertia are listed    
Queued Tedious Cosmetic AP Physics 1 8.2 Torque and rotational inertia In a few days after 2018/04/11, check perspective on big angular acceleration arc    
Queued Tedious Missing item AP Physics 1 8.3 Not-necessarily-conservation laws for rotation (Create sheet) showing carousel    
Queued Tedious Missing item AP Physics 1 10.2 SHM cribsheet Cases: vary m, vary k (IBL)    
Queued Easy Missing item AP Physics 1 10.5 Resonance Add dashed bubble to mass in all 3 columns    
Queued Tedious Cosmetic AP Physics 1 10.5 Resonance Adjust thicknesses in FBDs for block mass    
Queued Easy Cosmetic AP Physics 1 10.5 Resonance Changed force labels from Italic to Bold    
Queued Medium Missing item AP Physics 1 11.1 Waves Add a bubble to a representative wall molecule in standing wave diagram; add FBD to explain inversion    
Queued Medium Cosmetic AP Physics 1 11.1 Waves Ghost images and whooshies for resultant wave are missing    
Queued Easy Cosmetic AP Physics 1 12.1 Electric charge and force Change document raster setting to 300 ppi (not 72 ppi)    
Queued Tedious Cosmetic AP Physics 1 12.1 Electric charge and force Coulomb cases: Hyphen to minus, final page: Hyphen to minus    
Queued Tedious Cosmetic AP Physics 1 12.4 Current KLR: Background charge icon: Hyphen to minus    
Queued Medium Cosmetic AP Physics 1 12.5 DC (equilibrated) operation Were current variable labels deliberately omitted in the bottom two figures to avoid asserting equality with original I?    
Queued Tedious Cosmetic AP Physics 1 12.3.1 Electric potential Background charge icon: Hyphen to minus    
Queued Tedious Missing item AP Physics 1 12.3.1 Electric potential Equilibration of conductor: Energy bar chart showing easiness of easy path    
Queued Tedious Missing item AP Physics 1 12.3.1 Electric potential Equilibration of conductor: Show force vectors (on repelled electrons fleeing away)    
Queued Medium Missing item AP Physics 1 12.3.1 Electric potential Some representation that the equilibrated potato is an equipotential set    
Queued Tedious Missing item AP Physics 2 7.5 Fluid mechanics Bernoulli: Add energy & energy-density bar charts (superificially same) (MR); dashed bubble; label Delta ells and "middle region" so energy equation will make sense    
Queued Medium Cosmetic AP Physics 2 12.8 Capacitors Adjust alignment of right ends of electric field lines in work-done-charging-capacitor figure    
Queued Tedious Cosmetic AP Physics 2 12.8 Capacitors Change dipole hyphens to minuses    
Queued Medium Cosmetic AP Physics 2 12.8 Capacitors Work-done-charging: Remove tubes, add more ghost images, add hand    
Queued Medium Missing item AP Physics 2 15.1 Physical (wave) optics Add a bubble to a representative wall molecule in wave reflection diagrams; add FBD to explain inversion    
Queued Medium Cosmetic AP Physics 2 15.1 Physical (wave) optics In EM wave figure, label polarization    
Queued Copy fig Cosmetic AP Physics 2 17.1 Quantum physics In EM wave figure, label polarization    
Queued Tedious Missing item AP Physics 2 17.2 Special relativity Add p bar chart (MR); add p formula; add Delta W_ouf energy bar charts; add E = sqrt(m^2c^4 + p^2c^2) relationship; add Delta t derivation figure    
Queued Tedious Missing item AP Physics 2 18.1 Thermo second law Add page on iso[insertnameofquantity] processes & graphical representations; cannot go earlier bc mention adiabatic    
Queued Tedious Cosmetic AP Physics 2 12.3.2 Electric fields and potentials Background charge icon: Hyphen to minus    
Queued Tedious Missing item AP Physics 2 7.2.2 Potential energy landscapes Isolines figure: Make a hand with FBD; show Delta l parallel, show energy bar chart; show v = 0 (MR)    
Queued Copy Cosmetic AP Physics C EM E1.1 Electric charge and force Copy from AP Physics 1 after fixing raster setting    
Queued Copy Cosmetic AP Physics C EM E1.1 Electric charge and force Coulomb cases: Hyphen to minus, final page: Hyphen to minus    
Queued Tedious Cosmetic AP Physics C EM E1.2 Electric fields and potentials with calculus Background charge icon: Hyphen to minus (also on second page in two places)    
Queued Copy fig Missing item AP Physics C EM E1.3 Conductors near equilibrium Equilibration of conductor: Energy bar chart showing easiness of easy path    
Queued Copy fig Missing item AP Physics C EM E1.3 Conductors near equilibrium Equilibration of conductor: Show force vectors (on repelled electrons fleeing away)    
Queued Copy fig Missing item AP Physics C EM E1.3 Conductors near equilibrium Some representation that the equilibrated potato is an equipotential set    
Queued Tedious Cosmetic AP Physics C EM E1.4 Gauss's Law Source charge icon: Hyphen to minus    
Queued Copy Cosmetic AP Physics C EM E1.5 Capacitors Copy updated file after making lots of changes to AP Physics 2 copy of capacitors sheet    
Queued Tedious Cosmetic AP Physics C EM E2.1.1 Current KLR: Background charge icon: Hyphen to minus    
Queued Tedious Missing item AP Physics C EM M1.1 Magnetism with calculus Illustrate various dB generated by various differential current elements (MR)    
Queued Tedious Missing item AP Physics C EM N1.4 LC and RLC Add snapshots to describe LC oscillation: Illustrate charge, current, fields, and energy bars (MR)    
Queued Copy fig Cosmetic AP Physics C EM N2.1 Maxwell's equations In EM wave figure, label polarization    
Queued Copy fig Missing item AP Physics C Mech 6.2 Mass-averaging over continuous mass distributions Illustrate a later snapshot with later velocities and Delta velocities (MR)    
Queued Medium Cosmetic AP Physics C Mech 8.1 Rotational kinematics and dynamics cribsheet calc Ang mom figure: Move velocity label    
Queued Copy fig Missing item AP Physics C Mech 7.2.2 Potential energy landscapes calc Isolines figure: Make a hand with FBD; show Delta l parallel, show energy bar chart; show v = 0 (MR)    
Queued Tedious Missing item Classical Mechanics 1.1 Euler-Lagrange cribsheet Create cribsheet, illustrate with discretized example motivating Euler-Lagrange equation    
Queued Medium Missing item Make and solve physics T.0 SiQuENC for AP Physics Add bank of "allowed sentences" for qualitative reasoning    
Queued Medium Missing item Make and solve physics T.0 SiQuENC for AP Physics Add stick figures to visualized deductive reasoning example    
Queued Tedious Missing item Make and solve physics     Multiple-choice/multi-select problem type inventory    
Queued Tedious Missing item Quantum mechanics   Decoherence Create cribsheet    
Released Easy Missing item (Master folder)   Change log Create 2017/11/27 11:02
Released Easy Cosmetic AP Physics 1 3.1 Forces figures Change size of block for normal force sketches 2017/11/27 11:11
Released Easy Cosmetic AP Calculus AB 2.8 Related rates & Optimization Correct problem-solving step numbering 2017/11/27 11:15
Released Tedious Cosmetic AP Physics 1 5.1 Impulse delivered by a force Respace clock icons, changed spacing above table 2017/11/27 13:57
Released Tedious Cosmetic AP Physics 1 5.0 Newt 2 can be re-expressed Respace clock icons 2017/11/27 13:59
Released   SYNC (Master folder)       2017/11/27 14:05
Released Easy Missing item AP Calculus BC 0.1 AP Calc BC Curriculum Print to PDF 2017/12/14 11:58
Released Easy Error AP Physics 1 7.1 Work done by a force Change wording from "hardly" for perpendicular case 2017/12/14 12:03
Released Easy? Cosmetic AP Physics 1 7.1 Work done by a force PNG edge artifact (Work far Delta l) 2017/12/14 12:08
Released Easy? Cosmetic AP Physics 1 7.2.1 Potential energy PNG edge artifact (GPE diagram) 2017/12/14 12:14
Released   SYNC (Master folder)       2017/12/14 12:18
Released Easy Cosmetic AP Physics 1 10 SHM cribsheets Renumber some cribsheets to reflect lecture flow 2017/12/14 18:24
Released Easy Cosmetic AP Physics 1 6.1 Center of mass cribsheet Switch order of some subscripts 2017/12/14 18:31
Released Easy Cosmetic AP Physics 1 5.2 Not-necessarily-conservation laws Use lowercase p for momentum 2017/12/14 18:35
Released Easy Cosmetic AP Physics 1 5.3 Parallels momentum and energy Use lowercase p for momentum 2017/12/14 18:39
Released Easy Cosmetic AP Physics 1 5.4 SiQuENC Impulse-momentum Use lowercase p for momentum 2017/12/14 18:40
Released Easy Cosmetic AP Physics C Mech 5.3 Parallels momentum and energy Use lowercase p for momentum 2017/12/14 18:43
Released Easy Cosmetic AP Physics C Mech 5.4 SiQuENC Impulse-momentum Use lowercase p for momentum 2017/12/14 18:46
Released Easy Cosmetic AP Calculus AB 3.3.1 Fundamental theorem of calculus Wording about undoes (didn't actually change what I wanted to) 2017/12/14 19:07
Released Easy Cosmetic AP Physics 1 6.1 Center of mass cribsheet Add some "AVG" subscripts consistent with kinematics cribsheets 2017/12/18 22:48
Released Easy Cosmetic AP Physics 2     Renumber 7.2.2 Potential energy landscapes, 7.5 Fluid mechanics, 7.6 Kinetic theory of ideal gas 2017/12/18 22:56
Released Easy Cosmetic AP Physics C Mech 7.1.2 Work done along a path Edit punctuation in steps list 2017/12/20 10:57
Released Easy Cosmetic Precalculus 8.2 Probability Changed "state" space to "sample" space 2017/12/20 13:39
Released Easy Cosmetic AP Physics 1 3.2 Force and Newton's laws cribsheet Reworded reminder about using Newtonian principles 2017/12/21 12:38
Released Easy Cosmetic AP Physics C Mech 3.2 Force and Newton's laws cribsheet Reworded reminder about using Newtonian principles 2017/12/21 12:39
Released   SYNC (Master folder)       2017/12/21 12:40
Released Easy Cosmetic AP Calculus AB 3.3.1 Fundamental theorem of calculus Reverse vertical stacking order of panels for integral undoes deriv 2017/12/22 12:16
Released Easy Cosmetic AP Calculus BC 4.6 Arc lengths and surfaces of revolution Gray artifact on corkscrew 2017/12/22 12:21
Released Easy Cosmetic AP Calculus AB 4.3 Using integrals for volumes Gray artifact on corkscrew 2017/12/22 12:28
Released Delicate Error AP Physics 1 5.0 Newt 2 can be re-expressed Carefully rewrite potential energy pairing and internal energy discussion 2017/12/22 13:59
Released Easy Cosmetic AP Physics C Mech 7.1.2 Work done along a path Hide empty page 2017/12/22 14:08
Released Easy Cosmetic AP Calculus BC 5.1 Series, tests, and remainders Switch order of integral test and p-series 2017/12/26 15:54
Released Medium Error AP Physics 1 5.0 Newt 2 can be re-expressed Carefully rewrite potential energy pairing and internal energy discussion 2017/12/26 16:42
Released Technical Cosmetic AP Physics 1 5.0 Newt 2 can be re-expressed JPEG artifacts/resolution: Use Press Quality for "Create PDF" 2017/12/26 16:42
Released Easy Cosmetic AP Physics 1 5.0 Newt 2 can be re-expressed Lowercase momentum p 2017/12/26 16:42
Released Easy Cosmetic AP Physics 1 5.0 Newt 2 can be re-expressed Update springs in non-conservation figure (stroke width issue) 2017/12/26 16:42
Released   SYNC (Master folder)       2017/12/26 16:50
Released Easy Cosmetic AP Physics 1 5.0 Newt 2 can be re-expressed Carefully rewrite potential energy pairing and internal energy discussion 2017/12/27 14:14
Released Delicate Error AP Physics 1 5.3 Parallels momentum and energy Instead of rewriting potential energy discussion, removed words, updated U formula 2017/12/27 14:49
Released Delicate Error AP Physics C Mech 5.3 Parallels momentum and energy Instead of rewriting potential energy discussion, removed words, updated U formula 2017/12/27 14:55
Released Delicate Error AP Physics 1 7.2.1 Potential energy Carefully rewrite potential energy pairing and internal energy discussion 2017/12/27 15:00
Released   SYNC (Master folder)       2017/12/27 15:36
Released Easy Cosmetic AP Physics 1 5.0 Newt 2 can be re-expressed Slightly reword indexing of force pairs 2017/12/28 0:15
Released Easy Cosmetic AP Physics 1 7.2.1 Potential energy Make explicit work terms that cancel out in potential energy 2017/12/28 0:27
Released Easy Cosmetic AP Physics 1 5.3 Parallels momentum and energy Make explicit work terms that cancel out in potential energy 2017/12/28 0:29
Released Easy Cosmetic AP Physics C Mech 5.3 Parallels momentum and energy Make explicit work terms that cancel out in potential energy 2017/12/28 0:32
Released Delicate Error AP Physics 2 7.2.2 Potential energy landscapes Carefully rewrite potential energy pairing and internal energy discussion 2017/12/28 0:45
Released Delicate Error AP Physics C Mech 7.2.2 Potential energy landscapes calc Carefully rewrite potential energy pairing and internal energy discussion 2017/12/28 0:46
Released Easy Cosmetic AP Physics 2 7.5 Fluid mechanics Reverse order of Pb and Pt in pressure varies with depth formula 2017/12/29 11:07
Released Easy Cosmetic AP Physics 1 6.1 Center of mass cribsheet Adjust subscripts on right column panels 2017/12/30 0:13
Released Easy Cosmetic AP Physics 1 7.2.1 Potential energy Edit description to look more like discussion in 5.0 (following entry) 2017/12/30 0:33
Released Medium Cosmetic AP Physics 1 5.0 Newt 2 can be re-expressed Change potential energy general formula; change discussion. 2017/12/30 0:37
Released   SYNC (Master folder)       2017/12/30 0:39
Released Medium Cosmetic AP Physics 1 12.1 Electric charge and force Check alignment of negative charge on sphere in polarization fig 2017/12/30 16:46
Released Easy Cosmetic AP Physics 1 12.1 Electric charge and force Delete fake hands 2017/12/30 16:46
Released Easy Cosmetic AP Physics 1 12.1 Electric charge and force Reword definitions of conductors and insulators 2017/12/30 16:46
Released Easy Cosmetic AP Physics 1 12.1 Electric charge and force Spacing after an em dash 2017/12/30 16:46
Released Medium Cosmetic AP Physics C EM E1.1 Electric charge and force Check alignment of negative charge on sphere in polarization fig 2017/12/30 16:46
Released Easy Cosmetic AP Physics C EM E1.1 Electric charge and force Delete fake hands 2017/12/30 16:48
Released Easy Cosmetic AP Physics C EM E1.1 Electric charge and force Reword definitions of conductors and insulators 2017/12/30 16:48
Released Easy Cosmetic AP Physics C EM E1.1 Electric charge and force Spacing after an em dash 2017/12/30 16:48
Released Easy Cosmetic AP Physics 1 4.5 Gravitation Delete fake hands 2017/12/30 16:59
Released Easy Cosmetic AP Physics 1 12.1 Electric charge and force Slightly nudge cases figure 2017/12/30 17:01
Released Easy Cosmetic AP Physics C EM E1.1 Electric charge and force Slightly nudge cases figure 2017/12/30 17:02
Released Delicate Error AP Physics 1 7.2.3 Spherical symmetry and potential energy functions Carefully rewrite potential energy pairing and internal energy discussion 2017/12/30 17:14
Released   SYNC (Master folder)       2017/12/30 17:15
Released Tedious Missing item AP Physics 2 7.2.2 Potential energy landscapes Add motion diagram (velocity vectors) 2017/12/31 20:51
Released Medium Missing item AP Physics 2 7.2.2 Potential energy landscapes Illustrate Delta l parallel 2017/12/31 20:51
Released Easy Cosmetic AP Physics 2 7.2.2 Potential energy landscapes Move some negative signs 2017/12/31 20:51
Released Tedious Missing item AP Physics C Mech 7.2.2 Potential energy landscapes calc Add motion diagram (velocity vectors) 2017/12/31 20:52
Released Medium Missing item AP Physics C Mech 7.2.2 Potential energy landscapes calc Illustrate Delta l parallel 2017/12/31 20:52
Released Easy Cosmetic AP Physics C Mech 7.2.2 Potential energy landscapes calc Move some negative signs 2017/12/31 20:52
Released Easy Cosmetic AP Physics 2 12.8 Capacitors Romanize Italicized subscripts 2017/12/31 20:59
Released Easy Cosmetic AP Physics C EM E1.5 Capacitors Romanize Italicized subscripts 2017/12/31 21:00
Released Medium Cosmetic AP Physics 1 6.1 Center of mass cribsheet Add dashed bubble to system 2017/12/31 21:09
Released Easy Cosmetic AP Physics C Mech 6.2 Mass-averaging over continuous mass distributions Incorporate dashed bubble figure of discrete mass distribution 2017/12/31 21:13
Released Easy Cosmetic AP Physics 1 6.1 Center of mass cribsheet Nudge xC.O.M. equations 2017/12/31 21:21
Released Easy Technical (Master folder)   changelog.xlsx Added to file sync 2017/12/31 21:35
Released   SYNC (Master folder)       2017/12/31 21:35
Released Easy Cosmetic AP Physics 1 6.1 Center of mass cribsheet Decrease opacity of bubble to 35%, adjust dashes 2017/12/31 21:41
Released Easy Cosmetic AP Physics C Mech 6.2 Mass-averaging over continuous mass distributions Incorporate updated com figure 2017/12/31 21:42
Released Easy Cosmetic AP Physics 1 3.4 SiQuENC Forces Decrease opacity of bubble to 35%, adjust dashes 2017/12/31 21:45
Released   SYNC         2017/12/31 21:45
Released Easy Cosmetic AP Physics 1 6.1 Center of mass cribsheet Adjusted bubble dashes (don't leave two gaps at top corners) 2017/12/31 21:50
Released Easy Cosmetic AP Physics C Mech 6.2 Mass-averaging over continuous mass distributions Incorporate updated com figure 2017/12/31 21:51
Released   SYNC (Master folder)       2017/12/31 21:52
Released Easy Cosmetic AP Physics 1 5.1 Impulse delivered by a force Added space after \Rightarrow 2018/01/02 0:09
Released Easy Cosmetic AP Physics 1 7.1 Work done by a force Added space after \Rightarrow 2018/01/02 0:10
Released Easy Cosmetic AP Physics 1 8.2 Torque concept Added space after \Rightarrow 2018/01/02 0:11
Released Tedious Missing item AP Physics 2 12.8 Capacitors Show (original + 4) individual changes important to parallel plate scaling formula 2018/01/02 2:24
Released Tedious Missing item AP Physics C EM E1.5 Capacitors Show (original + 4) individual changes important to parallel plate scaling formula 2018/01/02 2:24
Released   SYNC (Master folder)       2018/01/02 2:36
Released Easy Cosmetic AP Calculus BC 0.1 AP Calc BC Curriculum Replace "summer" with "Independent Study" in title 2018/01/02 12:07
Released Easy Missing item AP Physics C Mech 0.0 AP Physics C Mechanics outline Print to PDF draft 2018/01/02 12:18
Released Medium Missing item AP Physics C EM 0.0 AP Physics C E&M outline Print to PDF draft 2018/01/02 13:03
Released Easy Cosmetic AP Physics C EM E2.2 Informal and formal circuit analysis In step instruction mention ideal capacitors and ideal inductors 2018/01/02 13:07
Released   SYNC (Master folder)       2018/01/02 13:09
Released Medium Missing item AP Physics 1 12.1 Electric charge and force Added another Coulomb law panel showing both charges matter, rearranged panels 2018/01/02 22:59
Released Medium Missing item AP Physics C EM E1.1 Electric charge and force Added another Coulomb law panel showing both charges matter, rearranged panels 2018/01/02 23:00
Released Medium Cosmetic AP Physics 1 4.5 Gravitation Rearranged panels 2018/01/02 23:07
Released Tedious Cosmetic AP Physics 1 7.4 Types of collisions Spring line segment stroke thickness alignment 2018/01/03 0:01
Released   SYNC (Master folder)       2018/01/03 0:04
Released   SYNC (Master folder)   (To get HTML version of changelog)   2018/01/03 0:17
Released Easy Cosmetic AP Physics 1 12.1 Electric charge and force In charging by conduction, mentioned *magnitude* of net charge 2018/01/03 12:27
Released Easy Cosmetic AP Physics C EM E1.1 Electric charge and force In charging by conduction, mentioned *magnitude* of net charge 2018/01/03 12:29
Released Medium Cosmetic AP Physics 1 7.2.1 Potential energy Add subscript "SPRING" to spring force in figures 2018/01/04 19:07
Released Medium Cosmetic AP Physics 1 3.3 Spring force Add subscript "SPRING" to spring force in figures 2018/01/04 19:09
Released Medium Cosmetic AP Physics 1 7.1 Work done by a force Fine sizing of panels (mismatch rows 1 and 2) - row 2 from 2.58" to 2.51" 2018/01/05 14:10
Released Tedious Missing item AP Physics 1 3.6 Non-inertial reference frames Create handout about fictitious forces - print draft to PDF 2018/01/05 16:34
Released   SYNC (Master folder)       2018/01/05 16:35
Released Easy Cosmetic AP Physics C Mech 3.6 Non-inertial reference frames Move the non-inertial reference frames handout to the folder for AP Physics C Mech 2018/01/05 19:53
Released   SYNC (Master folder)       2018/01/06 9:53
Released Easy Cosmetic AP Calculus AB 4.3 Using integrals for volumes Wording: Replace "slab" with "slice of bread"; add subscripts \bot to A_{\bot} in text 2018/01/06 23:38
Released Easy Missing item CRR for STEML 5.0 Generate knowledge Add space at bottom of form for summary sentence, "We learned that ___ (conclusion), so ___ (recommendation)" 2018/01/06 23:44
Released   SYNC (Master folder)       2018/01/06 23:46
Released Tedious Cosmetic AP Calculus AB 4.3 Using integrals for volumes Add outline of 3-d bread loaf 2018/01/07 22:58
Released Easy Cosmetic AP Calculus AB 4.3 Using integrals for volumes Add points at top and bottom of rectangle (use same style as for chain rule diagram) 2018/01/07 22:58
Released   SYNC (Master folder)       2018/01/07 23:00
Released Medium Cosmetic AP Physics 2 12.3.2 Electric fields and potentials Get rid of the E vector at (g) and shuffle the part labels accordingly 2018/01/07 23:07
Released Medium Cosmetic AP Physics C EM E1.2 Electric fields and potentials with calc Get rid of the E vector at (g) and shuffle the part labels accordingly 2018/01/07 23:09
Released   SYNC (Master folder)       2018/01/07 23:10
Released Medium Cosmetic AP Physics 1 7.1 Work done by a force Add faint congruent hashes on forces in bottom left two panels, front page 2018/01/08 11:47
Released Medium Cosmetic AP Physics 1 7.1 Work done by a force Faintly label the parallel and perpendicular force components so that Fparallel is familiar when typed 2018/01/08 11:55
Released Medium Cosmetic AP Physics 1 8.2 Torque concept Add ghost images to whoosing doors (in future, more carefully check spacing of ghost images) 2018/01/08 13:04
Released Easy Cosmetic AP Physics 1 8.2 Torque concept Add more whooshies to the slowly angularly accelerated panels 2018/01/08 13:04
Released Easy Missing item AP Physics 2 7.5 Fluid mechanics Add 3-branched continuity figure (adapted from elecrtric current handout), add sums to continuity equation 2018/01/08 13:40
Released Medium Cosmetic AP Physics 1 12.4 Current KJR: Scale the current arrows; Current: Get rid of hard cut off of drop shadow 2018/01/08 14:11
Released Medium Cosmetic AP Physics C EM E2.1.1 Current KJR: Scale the current arrows; Current: Get rid of hard cut off of drop shadow 2018/01/08 14:22
Released Medium Cosmetic AP Physics 1 5.0 Newt 2 can be re-expressed Label force components (including FTAN and FOUT) 2018/01/08 18:38
Released Medium Cosmetic AP Physics 1 8.2 Torque concept Illustrate force components, label consistently with "Newt 2 can be re-expressed" labels 2018/01/08 19:04
Released Easy Cosmetic AP Physics 1 8.1 Rotational kinematics and dynamics cribsheet Incorporate updated torque figure illustrating force components 2018/01/08 19:05
Released Medium Cosmetic AP Physics 1 8.1 Rotational kinematics and dynamics cribsheet Illustrate components of velocity (radial and tangential, or however sounds consistent with "Newt 2") for ang. Mom 2018/01/08 19:27
Released Easy Cosmetic AP Physics Mech 8.1 Rotational kinematics and dynamics cribsheet Rename file to include suffix calc 2018/01/08 19:41
Released Easy Cosmetic AP Physics 1 8.1 Rotational kinematics and dynamics cribsheet Center angular momentum formula 2018/01/08 19:46
Released Medium Cosmetic AP Physics C Mech 8.1 Rotational kinematics and dynamics cribsheet calc Incorporate updated angular momentum figure illustrating velocity components 2018/01/08 19:58
Released Medium Cosmetic AP Physics C Mech 8.1 Rotational kinematics and dynamics cribsheet calc Incorporate updated torque figure illustrating force components 2018/01/08 19:58
Released Medium Cosmetic AP Physics C Mech 7.1.2 Work done along a path Illustrate components of force (to include Fparallel) 2018/01/08 20:58
Released Tedious Cosmetic AP Physics 1 7.1 Work done by a force Add perpendicular sign, change layering order of parallel force component 2018/01/08 21:21
Released Easy Cosmetic AP Physics C EM E1.3 Conductors near equilibrium Change color of perpendicular symbol to black (inconsistent coloring in cribsheets) 2018/01/08 21:30
Released   SYNC (Master folder)       2018/01/08 21:31
Released Easy Cosmetic AP Physics C EM E2.3 RC Charging Text: Add Deltas in front of all potential difference "V"s; adjust table spacing 2018/01/11 1:16
Released Easy Cosmetic AP Physics C EM N1.3 LR Increasing current Text: Add Deltas in front of all potential difference "V"s; adjust table spacing 2018/01/11 1:17
Released Tedious Cosmetic AP Physics 1 7.1 Work done by a force Checked: Scaling of motion in bottom (angles) row was compared with scaling of motion in earlier rows and deemed deliberate (estimated date) 2018/01/11  
Released Medium Cosmetic AP Physics 1 12.1 Electric charge and force Change lowercase q to uppercase Q in cases diagrams and conservation equation 2018/01/14 23:08
Released Easy Cosmetic AP Physics 1 12.1 Electric charge and force Lower typesetting of Coulomb constant k 2018/01/14 23:08
Released Medium Cosmetic AP Physics C EM E1.1 Electric charge and force Change lowercase q to uppercase Q in cases diagrams and conservation equation 2018/01/14 23:09
Released Easy Cosmetic AP Physics C EM E1.1 Electric charge and force Lower typesetting of Coulomb constant k 2018/01/14 23:09
Released Easy Cosmetic AP Physics 1 12.4 Current Change lowercase q to uppercase Q in current formulas 2018/01/14 23:11
Released Easy Cosmetic AP Physics C EM E2.1.1 Current Change lowercase q to uppercase Q in current formulas 2018/01/14 23:14
Released Easy Cosmetic AP Physics 1 5.2 Not-necessarily-conservation laws Slightly nudge energy conversion equation (typesetting) 2018/01/14 23:18
Released Easy Cosmetic AP Physics C EM E2.3 RC Charging Graph: Add Deltas in front of both potential differences 2018/01/14 23:23
Released Easy Cosmetic AP Physics C EM N1.3 LR Increasing current Graph: Add Deltas in front of both potential differences 2018/01/14 23:27
Released Easy Cosmetic AP Physics C EM E2.3.1 Mnemonic for exponential decays Incorporate updated DeltaV vs. time graphs from RC and LR cribsheets 2018/01/14 23:29
Released   SYNC (Master folder)       2018/01/14 23:31
Released Medium Missing item AP Physics 1 7.2.1 Potential energy Add Hooke's law formula somewhere to elastic potential energy panel 2018/01/16 19:49
Released Medium Cosmetic AP Physics 1 7.2.1 Potential energy Add origin to plot for spring force work 2018/01/16 19:49
Released Medium Cosmetic AP Physics 1 7.1 Work done by a force Add perpendicular sign to second copy of force component triangle diagram 2018/01/16 19:53
Released Tedious Missing item AP Physics 1 4.6 Elliptical orbits Draw bar charts for kinetic and gravitational potential energies (use conservation laws--Note: drawn velocities might not be correctly scaled) 2018/01/16 21:09
Released   SYNC (Master folder)       2018/01/16 21:11
Released Tedious Cosmetic AP Physics 1 5.2 Not-necessarily-conservation laws All arrowed axes in non-conservation laws changed from almost black to black 2018/01/18 0:46
Released Medium Cosmetic AP Physics 1 5.0 Newt 2 can be re-expressed Change arrowed axis on three-situation collision comic strip from almost black to black 2018/01/18 0:49
Released   SYNC (Master folder)       2018/01/18 0:53
Released Easy Cosmetic AP Calculus BC 4.5 Parametric Add vector arrow accents in the little table at the bottom right of the page 2018/01/18 23:32
Released   SYNC (Master folder)       2018/01/18 23:32
Released Easy Cosmetic AP Physics C EM E1.4 Gauss's Law Remove "positive" from "net positive charge" in summary paragraph at top of page 2018/01/20 23:30
Released Easy Cosmetic AP Physics 1 5.1 Impulse delivered by a force Put magnitude bars around Fvector and change in p, as needed 2018/01/20 23:33
Released Easy Cosmetic AP Physics 1 7.1 Work done by a force Put magnitude bars around Fvector and change in KE, as needed 2018/01/20 23:38
Released Tedious Missing item AP Calculus BC 4.5 Parametric On main circle figure and inset, show two vectors from origin 2018/01/21 0:14
Released   SYNC (Master folder)       2018/01/21 0:16
Released Easy Cosmetic AP Physics 1 7.2.1 Potential energy Edit phrasing to indicate "for every pairing of an initial and final spatial arrangement in a domain of interest . . . " 2018/01/21 17:28
Released Medium Cosmetic AP Physics 1 5.0 Newt 2 can be re-expressed Inherit some of the phrasing editing done in 7.2.1 "for every paring of an initial . . ." 2018/01/21 17:29
Released   SYNC (Master folder)       2018/01/21 17:30
Released Tedious Cosmetic AP Physics C EM E1.4 Gauss's Law Adjust scaling of area vectors (they need to have correct lengths) 2018/01/22 0:39
Released Tedious Cosmetic AP Physics 2 14.1 Electromagnetism Adjust scaling of area vectors (they need to have correct lengths) 2018/01/22 0:45
Released Tedious Cosmetic AP Physics C EM N1.1 Electromagnetism Adjust scaling of area vectors (they need to have correct lengths) 2018/01/22 0:47
Released   SYNC (Master folder)       2018/01/22 0:58
Released Tedious Error AP Physics 1 5.0 Newt 2 can be re-expressed Carefully rewrite low-resolution ("simplistic") vs. high-resolution ("correct for details") discussion 2018/01/24 2:06
Released   SYNC (Master folder)       2018/01/24 2:06
Released Tedious Missing item Make and solve physics T.0 SiQuENC for AP Physics Update correlation chart to include Larkin. Add quantity selector flowchart. Add discussion about qualitative reasoning. 2018/01/25 19:10
Released   SYNC (Master folder)       2018/01/25 19:12
Released Easy Cosmetic Make and solve physics T.0 SiQuENC for AP Physics Added one word (minor) 2018/01/25 19:14
Released   SYNC (Master folder)       2018/01/25 19:15
Released Easy Cosmetic Make and solve physics T.0 SiQuENC for AP Physics Slight word editing, slight bold font adjustment, slight formatting (line carriage) 2018/01/25 19:22
Released   SYNC (Master folder)       2018/01/25 19:22
Released Easy Error AP Physics 1 12.3.1 Electric potential I think wording needs to be changed to refer to work done by external hand (rather than net work) 2018/01/29 13:22
Released Easy Error AP Physics C EM E1.3 Conductors near equilibrium I think wording needs to be changed to refer to work done by external hand (rather than net work) 2018/01/29 13:26
Released Easy Cosmetic AP Physics 2 12.3.2 Electric fields and potentials Fix layering error: Equipotentials go underneath electric field lines 2018/01/29 14:10
Released Easy Cosmetic AP Physics C EM E1.2 Electric fields and potentials with calculus Fix layering error: Equipotentials go underneath electric field lines 2018/01/29 14:12
Released   SYNC (Master folder)       2018/01/29 14:13
Released Easy Cosmetic AP Calculus BC 4.7 Polar calculus Corrected spelling: principle should be principal 2018/01/30 22:33
Released Medium Cosmetic AP Physics 1 8.1 Rotational kinematics and dynamics cribsheet Nudge anchor of blue force arrow 2018/01/30 22:43
Released Medium Cosmetic AP Physics 1 8.2 Torque concept Nudge anchor of blue force arrow 2018/01/30 22:44
Released Medium Cosmetic AP Physics C Mech 8.1 Rotational kinematics and dynamics cribsheet calc Nudge anchor of blue force arrow 2018/01/30 22:45
Released Medium Cosmetic Precalculus 4.1.1 Angle measure Edit arc length arrow icon in rotational kinematics 2018/01/31 0:08
Released Medium Cosmetic AP Physics 1 8.1 Rotational kinematics and dynamics cribsheet Edit arc length arrow icon in rotational kinematics 2018/01/31 0:09
Released Medium Cosmetic AP Physics C Mech 8.1 Rotational kinematics and dynamics cribsheet calc Edit arc length arrow icon in rotational kinematics 2018/01/31 0:11
Released   SYNC (Master folder)       2018/01/31 0:12
Released Medium Error AP Physics C EM E1.3 Conductors near equilibrium Split into two figures: E at and not at equilibrium; make electrons faint (failed to dashify--weird Adobe Illustator artifact) 2018/01/31 13:26
Released Easy Cosmetic AP Physics 2 16.3 Raytracing to determine visibility Update wording to allow for possibility that rays will extend beyond "screen" without every intersecting screen 2018/01/31 23:51
Released Medium Cosmetic AP Physics C EM E1.3 Conductors near equilibrium Nudge final electron locations closer to surface 2018/02/01 0:03
Released Easy Missing item AP Physics 2 12.3.3 Conductors near equilibrium Create (copy from AP Physics C EM E1.3 Conductors near equilibrium) 2018/02/01 0:04
Released Medium Cosmetic AP Physics 1 12.3.1 Electric potential Nudge final electron locations closer to surface 2018/02/01 0:07
Released   SYNC (Master folder)     (Actually sync'd previously at 00:08, but forgot to "Release" entry for 16.3 Raytracing to determine visibility in changelog.html; resync'd at 00:10 to sync changelog.html) 2018/02/01 0:10
Released Medium Missing item AP Physics 1 8.1 Rotational kinematics and dynamics cribsheet Add rotational work 2018/02/04 23:40
Released Medium Cosmetic AP Physics 1 8.1 Rotational kinematics and dynamics cribsheet Opacity error on whooshies for eye co-moving with wheel 2018/02/04 23:40
Released Medium Missing item AP Physics C Mech 8.1 Rotational kinematics and dynamics cribsheet calc Add rotational work 2018/02/04 23:44
Released Medium Cosmetic AP Physics C Mech 8.1 Rotational kinematics and dynamics cribsheet calc Opacity error on whooshies for eye co-moving with wheel 2018/02/04 23:44
Released   SYNC (Master folder)       2018/02/04 23:47
Released Easy Cosmetic AP Physics C EM E1.3 Conductors near equilibrium Added 0.5 pt above and below triple panel comic strip conductor equilibrating to get rid of cut off top in PDF 2018/02/05 23:33
Released Medium Cosmetic AP Physics C EM E1.4 Gauss's Law Adjust shape of differential patch on surface S3; look at shape again in a few days 2018/02/05 23:42
Released   SYNC (Master folder)       2018/02/05 23:45
Released Medium Cosmetic AP Physics 1 8.1 Rotational kinematics and dynamics cribsheet Move \theta_i label, change resolution to get rid of gray artifacts 2018/02/07 13:25
Released Medium Cosmetic AP Physics C Mech 8.1 Rotational kinematics and dynamics cribsheet calc Move \theta_i label, change resolution to get rid of gray artifacts 2018/02/07 13:27
Released Medium Cosmetic AP Physics 2 13.1 Magnetism Force on current: Align the moving charged particles with the top of the tube 2018/02/07 13:42
Released Tedious Cosmetic AP Physics C EM M1.1 Magnetism with calculus Force on current: Align the moving charged particles with the top of the tube 2018/02/07 13:44
Released Tedious Cosmetic AP Physics C EM M1.1 Magnetism with calculus Magnetic force on differential current element: Align charged particles with top of tube; check whooshies alignment in couple days 2018/02/07 14:17
Released Easy Cosmetic AP Physics C EM E2.3 RC Charging Get rid of ugly fragment of dash at end of graph (use dash length of 4.765 px), extend asymptote line 2018/02/07 15:34
Released Easy Cosmetic AP Physics C EM N1.3 LR Increasing current Get rid of ugly fragment of dash at end of graph (use dash length of 4.765 px), extend asymptote line 2018/02/07 15:37
Released Easy Cosmetic AP Physics C EM E.2.3.1 Mnemonic for exponential decays Get rid of ugly fragments of dashes at end of graphs, extend asymptote lines 2018/02/07 15:40
Released Easy Missing item AP Physics 2 18.1 Thermo first law Add energy conversion equation to top of handout 2018/02/07 16:53
Released   SYNC (Master folder)       2018/02/07 17:13
Released Medium Cosmetic AP Physics 1 5.1 Impulse delivered by a force Edited p. 1 bottom formulas to fit in mention of net force and net impulse 2018/02/08 0:29
Released Tedious Cosmetic AP Physics 1 7.1 Work done by a force Edited p. 1 bottom formulas to fit in mention of net force and net work 2018/02/08 1:06
Released   SYNC (Master folder)       2018/02/08 1:08
Released Easy Error AP Calculus BC 5.1 Series, tests, and remainders Integral test: change one mention of f(n) to, instead, f(x) 2018/02/09 12:24
Released Easy Cosmetic AP Physics 1 8.1 Rotational kinematics and dynamics cribsheet Change subscript on rotational work, delete DeltaL = tau Delta t 2018/02/09 12:30
Released Easy Cosmetic AP Physics C Mech 8.1 Rotational kinematics and dynamics cribsheet calc Change subscript on rotational work, punt on deleting dL/dt = Net Tau 2018/02/09 12:34
Released Medium Cosmetic AP Physics 1 5.0 Newt 2 can be re-expressed Edit subscript on rotational work (refer to net torque instead of to net force) 2018/02/09 12:40
Released   SYNC (Master folder)       2018/02/09 12:41
Released Medium Cosmetic AP Physics 1 12.3.1 Electric potential Would like the arrow colors to look like the colors for fields in other handouts (currrently too dark) 2018/02/09 22:04
Released   SYNC (Master folder)       2018/02/09 22:05
Released Easy Missing item Make and solve physics T.0 SiQuENC for AP Physics Add clause to flowchart of physics principles indicating to try to look for obvious principle by starting at picture first 2018/02/11 19:24
Released   SYNC (Master folder)       2018/02/11 19:25
Released Medium Cosmetic AP Physics 1 6.1 Center of mass cribsheet Nudge dashed bubble for more attractive alignment with mass distribution 2018/02/12 12:23
Released Medium Cosmetic AP Physics C Mech 6.2 Mass-averaging over continuous mass distributions Nudge dashed bubble for more attractive alignment with mass distribution 2018/02/12 12:24
Released Medium Missing item AP Physics 1 8.1 Rotational kinematics and dynamics cribsheet Rot. Kinematics: Add omega curls 2018/02/12 13:23
Released Medium Missing item AP Physics C Mech 8.1 Rotational kinematics and dynamics cribsheet calc Rot. Kinematics: Add omega curls 2018/02/12 13:24
Released   SYNC (Master folder)       2018/02/12 13:25
Released Easy Missing item AP Calculus AB 2.3 l'Hospital's rule Add mention of \pm \infty 2018/02/13 0:20
Released   SYNC (Master folder)       2018/02/13 0:21
Released Medium Missing item AP Calculus BC 0.1 AP Calc BC Curriculum Added more problems, reformatted to keep greater amount of content on single legal-sized page 2018/02/13 10:53
Released   SYNC (Master folder)       2018/02/13 10:54
Released Medium Missing item AP Calculus BC 5.1 Series, tests, and remainders Coloring for test of divergence, reformatted absolute convergence possibility/vocab chart, got rid of inconclusive case in ratio test 2018/02/14 13:54
Released   SYNC (Master folder)       2018/02/14 13:55
Released Easy Cosmetic AP Physics 2 16.4 Mirror and lens ray approximations Fix layering error for angle measure symbol; increase figure resolution to reduce pixelation and get rid of gray line artifact 2018/02/15 23:15
Released Medium Cosmetic AP Physics 1 8.1 Rotational kinematics and dynamics cribsheet Nudge the brace vertices for the omegas 2018/02/15 23:25
Released Medium Cosmetic AP Physics C Mech 8.1 Rotational kinematics and dynamics cribsheet calc Nudge the brace vertices for the omegas 2018/02/15 23:30
Released Medium Cosmetic AP Physics 1 8.2 Torque concept Torque figure: Adjust brace length for rperp 2018/02/15 23:41
Released Medium Cosmetic AP Physics 1 8.1 Rotational kinematics and dynamics cribsheet Torque figure: Adjust brace length for rperp 2018/02/15 23:43
Released Medium Cosmetic AP Physics C Mech 8.1 Rotational kinematics and dynamics cribsheet calc Torque figure: Adjust brace length for rperp 2018/02/15 23:46
Released Medium Cosmetic AP Physics 1     Made angular momentum PNG 900 px wide (not yet incorporated into two files) 2018/02/15 23:51
Released Easy Cosmetic AP Calculus BC 5.1 Series, tests, and remainders For 3 possible behaviors of power series, swap last two bullets 2018/02/20 14:45
Released Easy Cosmetic AP Calculus BC 5.1 Series, tests, and remainders Slightly update phrasing about Lagrange error bound 2018/02/20 14:45
Released Easy Missing item Make and solve physics T.0 SiQuENC for AP Physics Added references in preparation for submission of column article 2018/02/23 14:26
Released Easy Cosmetic AP Physics C Mech 3.2 Force and Newton's laws cribsheet Added absolute value bars around v linear drag formula 2018/02/26 0:46
Released Easy Cosmetic AP Physics 1 10.2 SHM cribsheet Reformat Newt 2 in "isolated acceleration" format 2018/02/26 0:57
Released   SYNC (Master folder)       2018/02/26 17:13
Released Easy Error AP Calculus BC 5.1 Series, tests, and remainders Remove unnecessary abs. value bars from Taylor series convergence statement (make consistent with Stewart) 2018/03/02 11:51
Released Medium Cosmetic AP Physics 1 8.1 Rotational kinematics and dynamics cribsheet Ang mom figure: Adjust brace length for rperp 2018/03/02 11:56
Released Medium Cosmetic AP Physics C Mech 8.1 Rotational kinematics and dynamics cribsheet calc Ang mom figure: Adjust brace length for rperp 2018/03/02 11:58
Released Medium Cosmetic AP Physics 1 10.2 SHM cribsheet Fix appearance of pendulum L brace (asymmetric, ugly) 2018/03/02 12:03
Released Medium Cosmetic AP Physics 1 8.1 Rotational kinematics and dynamics cribsheet Non slip: Fewer dots, add ghost images of dots; convention exception: transparency of front disk to show background rims 2018/03/02 16:13
Released Medium Cosmetic AP Physics C Mech 8.1 Rotational kinematics and dynamics cribsheet calc Non slip: Fewer dots, add ghost images of dots; convention exception: transparency of front disk to show background rims 2018/03/02 16:17
Released   SYNC (Master folder)       2018/03/02 16:18
Released Tedious Missing item AP Physics 1 5.1 Impulse delivered by a force Incorporate effect of mass in achieved change in v; reflowed content on first page to fit 2018/03/02 17:06
Released   SYNC (Master folder)       2018/03/02 17:07
Released Medium Error AP Physics 1 5.1 Impulse delivered by a force Forgot to add "net" to title and Delta symbol in summary panel on first page 2018/03/03 23:32
Released   SYNC (Master folder)       2018/03/03 23:33
Released Easy Cosmetic AP Physics 1 5.1 Impulse delivered by a force Changed (then reverted) symbol \sum 2018/03/04 0:15
Released Tedious Missing item AP Physics 1 7.1 Work done by a force Incorporate effect of mass on achieved change in v^2; lots of formatting changes; summary equations; checked alignments, but check again in a week 2018/03/04 0:25
Released   SYNC (Master folder)       2018/03/04 0:26
Released Medium Cosmetic AP Physics C Mech 3.6 Non-inertial reference frames Fix backwards-oriented gradients 2018/03/05 11:56
Released Medium Cosmetic AP Physics 1 12.1 Electric charge and force Adjust alignment of negative charge icons in charging by conduction and induction figures (edit conduction arrow later) 2018/03/05 12:14
Released Medium Cosmetic AP Physics C EM E1.1 Electric charge and force Adjust alignment of negative charge icons in charging by conduction and induction figures (edit conduction arrow later) 2018/03/05 12:15
Released Tedious Cosmetic AP Physics 1 11.1 Waves Velocity vectors added for multiple figures on first two pages 2018/03/05 14:45
Released   SYNC (Master folder)       2018/03/05 14:51
Released Medium Cosmetic AP Physics 1 10.2 SHM cribsheet Add "this is my system" bubbles around block and pendulum bob (eyeballed aesthetics of sizing of bubbles this time) 2018/03/08 14:50
Released   SYNC (Master folder)       2018/03/08 14:51
Released Medium Cosmetic AP Physics 1 10.2 SHM cribsheet Worked on bubble size/alignment 2018/03/08 15:08
Released   SYNC (Master folder)       2018/03/08 15:09
Released Easy Cosmetic AP Physics 1 10.2 SHM cribsheet Added subscript "bounds" to summations for mechanical energy (because inconsistent with bubbles) 2018/03/09 0:04
Released   SYNC (Master folder)       2018/03/09 0:05
Released Tedious Missing item AP Calculus BC 5.1 Series, tests, and remainders Add figure explaining meaning of Lagrange error bound (needed for multiple representations) 2018/03/18 0:01
Released Easy Cosmetic AP Calculus AB 2.2.1 Derivatives of circle functions intuitive Changed derivative apostrophe in figure to strike symbol matching prime symbol in 5.1 2018/03/18 0:07
Released Medium Cosmetic AP Physics 1 12.4 Current Fixed gray artifacts in parallel resistors figure (Illustrator sometimes aliases white boxes that should be invisible) 2018/03/18 0:17
Released Easy Cosmetic AP Physics 1 12.7 SiQuENC DC Circuits Incorporate updated parallel resistors figure 2018/03/18 0:20
Released Easy Cosmetic AP Physics C EM E2.1.1 Current Incorporate updated parallel resistors figure 2018/03/18 0:27
Released Medium Missing item CRR for STEML 2.3.3 SiQuENC science steps (Created sheet providing a template for organizing inquiry-based learning) 2018/03/18 0:30
Released   SYNC (Master folder)       2018/03/18 0:32
Released Easy Cosmetic CRR for STEML 2.3.3 SiQuENC science steps Fixed item numbering error 2018/03/18 0:34
Released   SYNC (Master folder)       2018/03/18 0:36
Released Easy Cosmetic AP Calculus BC 5.1 Series, tests, and remainders Add dashed lines for bounds on derivative in Lagrange error bound figure; slight nudges/alignments 2018/03/18 19:37
Released   SYNC (Master folder)       2018/03/18 19:38
Released Medium Missing item AP Physics 2 7.5 Fluid mechanics Density: Make spatial copies of volumes and rewrite M = rho V instead of fraction (so can teach using IBL) 2018/03/21 19:36
Released Tedious Cosmetic AP Physics C EM N1.4 LC and RLC Minus in front of charge variable (2) 2018/03/22 22:52
Released Tedious Cosmetic AP Physics C EM N1.3 LR Increasing current Battery symbol: Italicized hyphen to minus, shift minus 2 1pt steps down 2018/03/22 22:58
Released Tedious Cosmetic AP Physics C EM E2.3 RC Charging Battery symbol: Italicized hyphen to minus; minus in front of charge variable, shift minus 1 1pt step left 2018/03/22 23:06
Released Copy figs Cosmetic AP Physics C EM E.2.3.1 Mnemonic for exponential decays Minus sign formatting corrections 2018/03/22 23:12
Released Medium Error AP Physics 1 12.7 SiQuENC DC Circuits Wrong step numbers referred to; parenthesis to make plural optional for (in)equation(s); changed unknowns symbol 2018/03/22 23:33
Released   SYNC (Master folder)       2018/03/22 23:43
Released Tedious Cosmetic AP Physics 1 12.6 Laboratory precautions and measurements for DC circuits Battery symbol: Italicized hyphen to minus, carefully shift L 2018/03/23 15:39
Released Copy Cosmetic AP Physics C EM E2.1.3 Laboratory precautions and measurements for DC circuits Battery symbol: Italicized hyphen to minus, carefully shift L 2018/03/23 15:40
Released Tedious Cosmetic AP Physics 1 12.5 DC (equilibrated) operation Battery symbol: Italicized hyphen to minus, move minus 2 1pt steps down, also slanted version 2018/03/23 15:57
Released Copy Cosmetic AP Physics C EM E2.1.2 DC (equilibrated) operation Battery symbol: Italicized hyphen to minus, move minus 2 1pt steps down, also slanted version 2018/03/23 15:58
Released Tedious Cosmetic AP Physics 1 12.4 Current Battery symbol: Italicized hyphen to minus, move minus 2 1pt steps down 2018/03/23 16:06
Released Copy Cosmetic AP Physics C EM E2.1.1 Current Battery symbol: Italicized hyphen to minus, move minus 2 1pt steps down 2018/03/23 16:07
Released Tedious Cosmetic AP Physics 1 12.4 Current KLR: Equipotential labels: Hyphens to minuses 2018/03/23 16:17
Released Tedious Cosmetic AP Physics 1 12.4 Current PhotoShop out artifact: Gray edge under current figure (not an issue in AP Physics C EM Current cribsheet figure) 2018/03/23 16:21
Released Copy Cosmetic AP Physics C EM E2.1.1 Current KLR: Equipotential labels: Hyphens to minuses 2018/03/23 16:24
Released Tedious Cosmetic AP Physics 1 12.3.1 Electric potential Equipotential labels: Hyphens to minuses 2018/03/23 16:37
Released Tedious Cosmetic AP Physics 1 12.3.1 Electric potential Label for background charge amount: Hyphen to minus 2018/03/23 16:37
Released Tedious Cosmetic AP Physics 2 12.3.2 Electric fields and potentials Equipotential labels: Hyphens to minuses 2018/03/23 16:49
Released Tedious Cosmetic AP Physics 2 12.3.2 Electric fields and potentials Label for background charge amount: Hyphen to minus 2018/03/23 16:49
Released Tedious Cosmetic AP Physics 2 12.3.2 Electric fields and potentials Potential superposition hyphen to minus 2018/03/23 16:49
Released Copy fig Cosmetic AP Physics C EM E1.2 Electric fields and potentials with calculus Equipotential labels: Hyphens to minuses 2018/03/23 16:56
Released Copy fig Cosmetic AP Physics C EM E1.2 Electric fields and potentials with calculus KLR: Copy update made in "Current" cribsheets 2018/03/23 16:56
Released Copy fig Cosmetic AP Physics C EM E1.2 Electric fields and potentials with calculus Label for background charge amount: Hyphen to minus 2018/03/23 16:56
Released Copy fig Cosmetic AP Physics C EM E1.2 Electric fields and potentials with calculus Potential superposition hyphen to minus 2018/03/23 16:56
Released Easy Missing item AP Physics 2 13.2 Magnetism in materials Missing North pole label in Earth bar magnet 2018/03/23 17:03
Released Copy Missing item AP Physics C EM M1.2 Magnetism in materials Missing North pole label in Earth bar magnet 2018/03/23 17:05
Released   SYNC (Master folder)       2018/03/23 17:06
Released Tedious Cosmetic AP Physics 1 12.4 Current KJR: Rescale current arrows because I_A arrow length makes tip of arrow ugly 2018/03/26 0:24
Released Copy fig Cosmetic AP Physics C EM E2.1.1 Current KJR: Rescale current arrows because I_A arrow length makes tip of arrow ugly 2018/03/26 0:27
Released   SYNC (Master folder)       2018/03/26 0:28
Released Easy Cosmetic AP Physics 1 T.0 SiQuENC for AP Physics Rename Delta W_EXT as Delta W_OUF (otherwise unaccounted for) 2018/03/26 1:35
Released Easy Cosmetic AP Physics 1 7.2.1 Potential energy Insert text "we can choose to" call this . . . negative . . . potential energy 2018/03/26 1:55
Released Tedious Cosmetic AP Physics 1 5.0 Newt 2 can be re-expressed Updated to accommodate changing Delta W_EXT to Delta W_OUF; Insert text "we can choose to" call this . . . negative . . . potential energy 2018/03/26 2:00
Released Easy Cosmetic AP Physics 1 7.3 SiQuENC Work-energy Rename Delta W_EXT as Delta W_OUF (otherwise unaccounted for); "(in)" in (in)equation(s) 2018/03/26 2:02
Released   SYNC (Master folder)       2018/03/26 2:08
Released Easy Cosmetic AP Physics 1 5.2 Not-necessarily-conservation laws Rename Delta W_EXT as Delta W_OUF (otherwise unaccounted for); adjusted nudge - check again in weeks 2018/03/26 9:04
Released   SYNC (Master folder)       2018/03/26 9:06
Released Easy Cosmetic AP Physics 1 5.3 Parallels momentum and energy Rename Delta W_EXT as Delta W_OUF (otherwise unaccounted for) 2018/03/27 22:46
Released Easy Cosmetic AP Physics C Mech 5.3 Parallels momentum and energy Rename Delta W_EXT as Delta W_OUF (otherwise unaccounted for) 2018/03/27 22:48
Released Medium Cosmetic AP Physics 1 12.4 Current Increase thermal motion of charge carrier 2018/03/27 23:22
Released Medium Cosmetic AP Physics C EM E2.1.1 Current Increase thermal motion of charge carrier 2018/03/27 23:23
Released Easy Cosmetic AP Physics 1 5.0 Newt 2 can be re-expressed Changed text description of Delta W_OUF to description of Sigma Delta W_OUF 2018/03/27 23:31
Released Tedious Missing item AP Physics 1 3.5 Drag force Move force diagrams onto block, add motion diagrams (MR); re-inspect Fdrag label in few days 2018/03/28 1:52
Released   SYNC (Master folder)       2018/03/28 1:53
Released Medium Cosmetic AP Calculus BC 5.1 Series, tests, and remainders Formatting of ln plot (add 1pt spacing on top of 2R to fix cut off; adjust boundary line top and bottom alignments) 2018/03/29 15:28
Released Tedious Missing item AP Calculus BC 5.1 Series, tests, and remainders Add small figure describing integral test (MR) 2018/03/29 15:47
Released   SYNC (Master folder)       2018/03/29 15:48
Released Tedious Missing item AP Calculus BC 5.1 Series, tests, and remainders Add figure illustrating alternating series (MR) 2018/04/02 1:08
Released Medium Cosmetic AP Calculus BC 5.1 Series, tests, and remainders Horizontal offset of y axis on integral test figure was ugly 2018/04/02 1:08
Released Medium Cosmetic AP Calculus BC 4.7 Polar calculus Front page vertical misalignment of left and right columns 2018/04/02 1:16
Released Medium Cosmetic Precalculus 6.1 Polar coordinates Vertical misalignment of left and right columns 2018/04/02 1:17
Released Easy Error AP Physics 1 12.4 Current Change "Ohmic" overbrace to "I = V/R" overbrace; change descriptive text for resistor/Ohmic 2018/04/02 1:19
Released   SYNC (Master folder)       2018/04/02 1:20
Released Easy Error AP Physics 1 12.1 Electric charge and force Change "atomic cores" to "ions" 2018/04/02 16:09
Released Copy Error AP Physics C EM   Electric charge and force Change "atomic cores" to "ions" 2018/04/02 16:10
Released Easy Error AP Physics C EM E2.1.1 Current Change "Ohmic" overbrace to "I = V/R" overbrace 2018/04/04 0:03
Released   SYNC (Master folder)       2018/04/04 0:04
Released Medium Cosmetic AP Physics 1 12.4 Current Shaded cylindrical wall over Ic is improperly layered 2018/04/04 0:09
Released Medium Cosmetic AP Physics C EM E2.1.1 Current Shaded cylindrical wall over Ic is improperly layered 2018/04/04 0:11
Released Tedious Missing item AP Physics 1 12.3.1 Electric potential Show small displacement and scaled force on path (so Fd cos theta will make sense) (MR) 2018/04/04 0:48
Released   SYNC (Master folder)       2018/04/04 0:49
Released Tedious Cosmetic AP Physics C EM N1.3 LR Increasing current Vertically center battery in circuit diagram; change resolution of image; change resolution setting 2018/04/04 12:41
Released Tedious Cosmetic AP Physics C EM E2.3 RC Charging Vertically center battery in circuit diagram 2018/04/04 12:43
Released Tedious Cosmetic AP Physics C EM E2.3.1 Mnemonic for exponential decays Vertically align batteries in circuits; reload all images with resolution settings reset 2018/04/04 12:47
Released   SYNC (Master folder)       2018/04/04 13:29
Released Tedious Missing item AP Calculus BC 5.1 Series, tests, and remainders Add fig: Alternating and absolute value series (MR) 2018/04/05 21:16
Released   SYNC (Master folder)       2018/04/05 21:19
Released Tedious Error AP Physics 1 12.3.1 Electric potential Fixed incorrect label for magnitude of electric force in superposition diagram 2018/04/08 23:58
Released Copy Cosmetic AP Physics 2 12.3.3 Conductors near equilibrium Copy from AP Physics C EM folder 2018/04/09 0:00
Released   SYNC (Master folder)       2018/04/09 0:09
Released Tedious Missing item AP Physics 1 8.2 Torque concept Add moment of inertia variations (IBL); rename to 8.2 Torque and rotational inertia 2018/04/10 19:42
Released   SYNC (Master folder)       2018/04/10 19:44
Released   SYNC (Master folder)     (To remove old 8.2 Torque concept file) 2018/04/10 19:45
Released Tedious Cosmetic AP Physics 1 8.2 Torque and rotational inertia Label the small and big angular accelerations (MR); nudges 2018/04/11 0:17
Released   SYNC (Master folder)       2018/04/11 0:17
Released Medium Missing item AP Physics 1 11.1 Waves Inserted description of superposition; adjusted line spacing in harmonics table 2018/04/12 2:32
Released   SYNC (Master folder)       2018/04/12 2:32
Released Easy Missing item AP Physics 1 11.1 Waves Mentioned "axis of polarization" 2018/04/12 8:09
Released Easy Cosmetic AP Physics 2 15.2 Polarization of light Moved from the SAT Physics folder (used to be called "15 Polarization") 2018/04/12 8:12
Released Medium Cosmetic AP Physics 2 15.1 Physical (wave) optics Mentioned polarization and added some horizontal lines 2018/04/12 8:21
Released   SYNC (Master folder)       2018/04/12 8:24
Released Tedious Missing item AP Physics 2 17.2 Subatomic physics Add a generic/representative energy bar chart to illustrate the concept of mass energy (MR) 2018/04/18 0:55
Released   SYNC (Master folder)       2018/04/18 0:57
Released Easy Cosmetic AP Physics 2 17.3.1 Special relativity Moved from the SAT Physics folder (used to be called "6.2 Special relativity") 2018/04/19 0:44
Released Easy Cosmetic AP Physics 2 17.3.2 Special relativity steps Moved from the SAT Physics folder (used to be called "6.3 Special relativity steps") 2018/04/19 0:44
Released Medium Missing item AP Physics 2 17.2 Subatomic physics Added DeltaJ and DeltaW to (non) conservation law equations; nudged a fission figure 2018/04/19 0:57
Released   SYNC (Master folder)       2018/04/19 1:20
Released Easy Cosmetic AP Physics C EM M1.1 Magnetism with calculus Reformat cross-product unit vector notation; slightly realigned dashed loop 2018/04/20 1:23
Released   SYNC (Master folder)       2018/04/20 1:24
Released Easy Cosmetic AP Physics 1 10.3 SHM Ignoring gravity Fix layering error in gravity-free diagram 2018/04/20 11:09
Released Medium Cosmetic AP Physics 1 10.3 SHM Ignoring gravity Unabbreviate subscript on F_SPRING 2018/04/20 11:09
Released Easy Missing item AP Physics 1 11.1 Waves Add reminder definition for frequency and f = 1/T equation 2018/04/20 12:11
Released Medium Cosmetic AP Physics 1 11.1 Waves Beats: Add period measurement labels (MR), fix misalignments of dashes in dashed vertical lines 2018/04/20 12:11
Released Easy Missing item AP Physics 1 11.1 Waves Mention that the term "polarization" is not used with longitudinal waves 2018/04/20 12:11
Released   SYNC (Master folder)       2018/04/20 12:14
Released Tedious Missing item AP Physics 1 11.1 Waves On longitudinal diagram, faintly illustrate vertical graph representation of sound wave (MR) 2018/04/20 14:37
Released   SYNC (Master folder)       2018/04/20 14:41
Released Medium Missing item AP Physics 2 7.5 Fluid mechanics Add expression for flow rate, align equal signs in energy conservation and Bernoulli equation 2018/04/27 0:35
Released   SYNC (Master folder)       2018/04/27 0:39
Released Easy Cosmetic AP Physics 2 7.5 Fluid mechanics Changed subscript on work in energy equation above Bernoulli equation 2018/04/27 0:41
Released   SYNC (Master folder)       2018/04/27 0:42
Released Easy Error AP Calculus AB 2.4 Extrema Change wording for "Demonstrate use of calculus" to specify procedure of surveying critical points; re-order steps 2018/05/08 20:40
Released Medium Missing item AP Physics 1 4.1 UCM cribsheet Add force diagram with +in axis (MR); change image resolution setting, reformat Newt II isolate a_in 2018/05/08 20:59
Released Tedious Missing item AP Physics 1 10.2 SHM cribsheet UCM diagram rvect, Deltav vect, motion diagram, avect = -omega^2 rvect (MR) 2018/05/08 21:40
Released   SYNC (Master folder)       2018/05/08 21:42
Released Easy Cosmetic AP Physics 1 10.2 SHM cribsheet Renumbered this & subsequent cribsheets in chapter to make room for a new 10.2 2018/05/09 10:42
Released Medium Missing item AP Physics 1 10.2 SHM UCM connection Created this cribsheet 2018/05/09 11:45
Released Medium Missing item AP Physics 1 10.3 SHM cribsheet Added omega curly arrow to UCM picture; minor changes to omega^2 highlighting 2018/05/09 11:46
Released Easy Cosmetic AP Physics 1 4.1 UCM cribsheet Changed force label from F_HAMMER,AVG to F_N,AVG 2018/05/09 11:58
Released   SYNC (Master folder)       2018/05/09 11:59
Released Easy Error AP Calculus AB 2.7 Curve sketching Indicated that POI property tangent line exists is disregarded for AP Calculus 2018/05/15 0:50
Released Medium Error AP Calculus AB 2.6 Derivative tests POI tangent line clarification (Thomas vs. Stewart and AP) 2018/05/15 1:03
Released Easy Error AP Physics 2 16.2 Specular and diffuse reflection Fix wording "nearly parallel", and fix typo at end "various directions" 2018/05/15 1:08
Released Easy Error AP Physics 2 16.3 Raytracing to determine visibility Fix typo (missing quotation mark at the end of "from bottom") 2018/05/15 1:09
Released Easy Error Make and solve physics T.1 AP Physics 1 & 2 problem types Change "correct" to "incorrect" in one of the FRQ TOM-CR templates; also some parentheses on problem parts 2018/05/15 1:14
Released   SYNC (Master folder)       2018/05/15 1:17
Released Medium Error AP Physics 2 16.1 Geometric (ray) optics Extend one of the concave mirror figure rays to the fake plane of reflection 2018/05/16 15:06
Released Tedious Missing item AP Physics 1 11.2 Speed of wave on string Show forces on representative shotputs (MR); aligned some shotputs, minor title change, abbreviate F_TENSION 2018/05/16 17:16
Released Easy Cosmetic AP Physics 1 11.1 Waves Change F_TENSION to F_T for conformity with 11.2 Speed of wave on string 2018/05/16 17:17
Released   SYNC (Master folder)       2018/05/16 17:43
Released Medium Missing item Make and solve physics T.0 SiQuENC for AP Physics Create tabular visualization of deductive reasoning 2018/05/17 17:03
Released   SYNC (Master folder)       2018/05/17 17:05
Released Easy Cosmetic Make and solve physics T.0 SiQuENC for AP Physics Aligned footer logo/URL on page with visualization of deductive reasoning 2018/05/17 17:09
Released   SYNC (Master folder)       2018/05/17 17:10
Released Easy Cosmetic AP Physics 2 17.2 Subatomic physics Changed DeltaW to DeltaW_OUF 2018/05/18 12:06
Released Easy Cosmetic AP Physics 2 17.3.1 Special relativity Copy energy conservation equation from 17.2 2018/05/18 12:40
Released Tedious Cosmetic AP Physics 2 17.3.1 Special relativity Nudge anchors on rocket figures (including ghost images) for more square alignment (get rid of slight tilt) 2018/05/18 12:40
Released Easy Cosmetic AP Physics 2 17.2 (Multiple) Swap numbering of handouts: 17.2 17.3 2018/05/18 12:43
Released   SYNC (Master folder)       2018/05/18 12:46
Released Medium Missing item SAT Physics 0.0 SAT Physics for after AP Physics 1 Created this curriculum 2018/05/18 23:06
Released Easy Cosmetic SAT Physics 0.0 SAT Physics for after AP Physics 1 Adjusted to fit one page of legal-sized paper 2018/05/19 13:53
Released   SYNC (Master folder)       2018/05/19 13:54
Released Easy Cosmetic AP Physics 2 16.1 Geometric (ray) optics Slight wording change for description of center/unbent ray 2018/05/20 23:30
Released   SYNC (Master folder)       2018/05/20 23:35
Released Easy Cosmetic AP Physics 2 16.1 Geometric (ray) optics Make dashed normal lines semi-transparent 2018/05/22 15:14
Released Easy Cosmetic AP Physics 2 16.2 Specular and diffuse reflection Make dashed normal lines semi-transparent 2018/05/22 15:18
Released Easy Cosmetic AP Physics 2 16.6 Snell's law Change layering of normal and perpendicular symbol 2018/05/22 15:31
Released Easy Cosmetic AP Physics 2 16.7 Total internal reflection Make dashed normal lines semi-transparent 2018/05/22 15:34
Released Medium Cosmetic AP Physics 2 7.5 Fluid mechanics Show parcel of volume in continuity equation figure and (scaled) Bernoulli equation figure 2018/05/22 16:11
Released Medium Missing item AP Physics 1 11.2 Speed of wave on string Add representative velocity vectors (MR) 2018/05/22 16:46
Released   SYNC (Master folder)       2018/05/22 16:48
Released Tedious Cosmetic AP Physics 1 11.1 Waves Sound wave figure: Fade most molecules, illustrate displacements for few (not overwhelming # of) molecules (MR) 2018/05/24 14:52
Released Medium Missing item AP Physics 1 4.4 Circular motion cribsheet Add FBD (MR); reformat Newt II to isolate aIN 2018/05/24 15:19
Released Medium Cosmetic AP Physics C Mech 3.6 Non-inertial reference frames Add congruent signs on at least the last pair of force vectors (to analyze magnitude of fictitious force) 2018/05/24 15:30
Released Tedious Cosmetic AP Physics 2 17.2.1 Special relativity Add motion blur images to various frames in various diagrams 2018/05/24 15:50
Released Medium Missing item AP Physics 2 7.5 Fluid mechanics Add small parcel to flow continuity diagram 2018/05/24 16:04
Released Tedious Missing item AP Physics 1 12.4 Current I vs. V plot to show ohmic vs. non-ohmic and hot vs. cold (thermometers) 2018/05/24 17:14
Released Medium Missing item AP Physics C EM E2.1.1 Current I vs. V plot to show ohmic vs. non-ohmic and hot vs. cold (thermometers) 2018/05/24 17:32
Released   SYNC (Master folder)       2018/05/24 17:33
Released Tedious Missing item AP Physics 2 17.1 Quantum physics Add energy bar chart to photoelectric effect (MR); add background positive ion 2018/05/25 15:21
Released   SYNC (Master folder)       2018/05/25 15:23
Released Easy Cosmetic AP Physics 2 17.1 Quantum physics Nudge misaligned tick mark on E axis, change a subscript on KE, change a hyphen to a minus sign 2018/05/25 23:02
Released Medium Cosmetic AP Physics 2 17.2.1 Special relativity Remove "For SAT Physics" from front page header, length contract second ship, glow velocity v vector 2018/05/25 23:36
Released Tedious Cosmetic AP Physics C EM E2.1.1 Current Replace two copies of resistor diagram (drop shadow error); move current density formula, re-express KJR 2018/05/25 23:55
Released Medium Cosmetic AP Physics 1 12.4 Current Replace two copies of resistor diagram (drop shadow error); re-express KJR 2018/05/25 23:58
Released   SYNC (Master folder)       2018/05/26 0:01
Released Medium Missing item AP Physics 1 7.4 Types of collisions Add dashed bubble to system 2018/05/26 16:50
Released Tedious Missing item AP Physics 1 7.4 Types of collisions Add energy bar charts for each of the three collision scenarios (MR) 2018/05/26 16:50
Released Easy Cosmetic AP Physics 1 7.4 Types of collisions Change label for "stuck" in final panel to "retains maximum deformation" 2018/05/26 16:57
Released   SYNC (Master folder)       2018/05/26 16:59
Released Medium Cosmetic AP Physics 2 17.1 Quantum physics In energy bar chart for photoelectric effect, realign energy-type labels 2018/05/26 18:13
Released Medium Missing item AP Physics 1 4.5 Gravitation Add small figures: Superposition principle for force and for potential energy 2018/05/26 22:40
Released Medium Missing item AP Physics 1 12.1 Electric charge and force Add small figure: Superposition principle for force; move Coulomb's law figures 2018/05/26 23:16
Released Copy Missing item AP Physics C EM E1.1 Electric charge and force Copy from AP Physics 1 after adding small figure: Superposition for force and moving Coulomb's law figure 2018/05/26 23:17
Released Medium Missing item AP Physics 1 4.5 Gravitation Superposition figure needed labels for masses (m1, m2, m3) 2018/05/26 23:45
Released   SYNC (Master folder)       2018/05/26 23:51
Released Easy Cosmetic AP Physics 2 16.1 Geometric (ray) optics Re-expressed some equations, changed some table border styling; nudged some labels 2018/05/28 0:21
Released Medium Cosmetic AP Physics 2 16.2 Mirror and lens ray approximations Nudgings (including label F for mirror focal point, slight rotations of normals on mirror to point toward center) 2018/05/28 0:30
Released Easy Missing item AP Physics 2 16.2 Mirror and lens ray approximations Added label "optical axis" on a figure 2018/05/28 0:41
Released Easy Missing item AP Physics 2 16.1 Geometric (ray) optics Added label "optical axis" on a figure, placed label above optical axis 2018/05/28 0:42
Released Tedious Cosmetic AP Physics 1 7.4 Types of collisions Impose accurate scaling of spring deformation (I think velocity vectors and KE bars are correctly scaled) 2018/05/28 0:56
Released   SYNC (Master folder)       2018/05/28 0:57
Released Easy Cosmetic AP Physics 2 17.2.1 Special relativity Added a missing period, minor edit to description of time dilation 2018/05/30 13:38
Released   SYNC (Master folder)       2018/05/30 13:43
Released Medium Missing item AP Physics 2 17.2.1 Special relativity Added dashed outline of uncontracted ship to show that length contraction is confined to axis of relative velocity 2018/05/30 23:15
Released Tedious Missing item AP Physics 1 12.3.1 Electric potential Add + signs and "+2 C" to moving test charge (because scaled F_E vector is drawn), changed part labels 2018/05/30 23:56
Released Medium Cosmetic AP Physics 2 12.3.2 Electric fields and potentials Increased opacity of two charges (so can more easily point to locations) 2018/05/31 0:02
Released Copy Cosmetic AP Physics C EM E1.2 Electric fields and potentials with calculus Copy figure with increased opacity for two charges on first page 2018/05/31 0:04
Released   SYNC (Master folder)       2018/05/31 0:06
Released Easy Cosmetic AP Physics 2 16.1 Geometric (ray) optics Nudged theta labels on law of reflection figure (I think the figure itself slightly changed alignment in a previous edit) 2018/05/31 19:14
Released Tedious Missing item AP Physics 2 17.2.1 Special relativity Massive update to relationships page (much more visual representations, far fewer words) (MR) 2018/06/01 1:52
Released Easy Cosmetic AP Physics 2 16.3 Raytracing to determine visibility Adjusted some line spacings (so that table row horizontal rules would not touch letters) 2018/06/01 1:54
Released   SYNC (Master folder)     (Second of two syncs in quick succession, edited changelog slightly between syncs) 2018/06/01 1:57
Released Easy Error AP Physics 2 17.2.1 Special relativity Reword postulate 1 to standard form ("inertial frames" rather than frames "inertial with respect to each other") 2018/06/01 11:48
Released   SYNC (Master folder)       2018/06/01 11:49
Released Medium Cosmetic AP Physics 2 17.2.1 Special relativity Convert velocity vectors in motion diagram into dot-arrow style; fix dot colors on second kinematics graph 2018/06/02 17:53
Released Medium Cosmetic AP Physics 2 17.2.1 Special relativity Re-express energy bars with separate mc^2 and KE bars; mention relativistic momentum not in SAT Physics topics 2018/06/02 17:53
Released Medium Cosmetic AP Physics 1 5.1 Impulse delivered by a force Add first label for first mass m 2018/06/02 18:17
Released Medium Cosmetic AP Physics 1 7.1 Work done by a force Add first label for first mass m 2018/06/02 18:21
Released   SYNC (Master folder)       2018/06/02 18:22
Released Medium Cosmetic AP Physics 1 7.1 Work done by a force Add labels for remaining masses 2018/06/03 13:46
Released Medium Cosmetic AP Physics 1 5.1 Impulse delivered by a force Add labels for remaining masses 2018/06/03 13:59
Released Tedious Cosmetic AP Physics 1 3.1 Forces figures Add some mass labels in scenario cell in which mass is postulated 2018/06/03 14:29
Released Tedious Missing item AP Physics 1 12.4 Current On non-Ohmic graph, illustrate that inc. temp causes inc. jiggliness of atomic cores (thus inc. resistance) 2018/06/03 15:12
Released Copy fig Cosmetic AP Physics C EM E2.1.1 Current On non-Ohmic graph, illustrate that inc. temp causes inc. jiggliness of atomic cores (thus inc. resistance) 2018/06/03 15:13
Released Medium Missing item AP Physics 2 16.2 Mirror and lens ray approximations Add pairs of parallel rays practically on optical axis (to show that near-axis rays nearly go through focus) 2018/06/03 16:21
Released Medium Cosmetic AP Physics 2 16.2 Mirror and lens ray approximations Rotate concave mirror curves by 1.2 degrees, nudge out concave lens foci 2018/06/03 16:21
Released   SYNC (Master folder)       2018/06/03 16:22
Released Tedious Missing item AP Physics 2 13.1 Magnetism Add small figure: Superposition principle for magnetic field 2018/06/04 13:35
Released Medium Cosmetic AP Physics 2 13.1 Magnetism Correct perspective for compass in line current figure 2018/06/04 13:35
Released Copy fig Missing item AP Physics C EM M1.1 Magnetism with calculus Add small figure: Superposition principle for magnetic field 2018/06/04 13:41
Released Copy fig Cosmetic AP Physics C EM M1.1 Magnetism with calculus Correct perspective for compass in line current figure 2018/06/04 13:41
Released Medium Missing item AP Physics C EM E1.2 Electric fields and potentials with calculus Show vectors for ri and rf on electric potential line integral graph 2018/06/04 13:56
Released Tedious Cosmetic AP Physics 2 12.8 Capacitors Adjust spacing of charges on plates in "half-charged" situation ("work-done-charging" figure) 2018/06/04 16:21
Released Tedious Cosmetic AP Physics 2 12.8 Capacitors Adjust spacing of charges on plates in "half-charged" situation (intro figure) 2018/06/04 16:21
Released Tedious Cosmetic AP Physics 2 12.8 Capacitors All the hyphens in front of variables on pp. 1-2 need to be replaced by actual minus signs 2018/06/04 16:21
Released Tedious Missing item AP Physics 2 12.8 Capacitors Replace algebraic derivation of capacitor energy with graph of Delta V vs. Q (MR) 2018/06/04 16:21
Released Copy Cosmetic AP Physics C EM E1.5 Capacitors Copy updated file after changing half-charged charge spacings 2018/06/04 16:23
Released Copy Cosmetic AP Physics C EM E1.5 Capacitors Copy updated file after changing hyphens in text to minus signs 2018/06/04 16:23
Released Copy Missing item AP Physics C EM E1.5 Capacitors Replace algebraic derivation of capacitor energy with graph of Delta V vs. Q (MR) 2018/06/04 16:23
Released Medium Cosmetic AP Physics 1 7.1 Work done by a force Changed color scheme for work done by a varying force Riemann sum figure 2018/06/04 16:32
Released Medium Cosmetic AP Physics 1 5.1 Impulse delivered by a force Changed color scheme for impulse delivered by a varying force Riemann sum figure 2018/06/04 16:42
Released Medium Missing item AP Physics C Mech 7.1.2 Work done along a path Added initial and final position vectors, changed color scheme for Riemann sum figure 2018/06/04 17:03
Released Medium Cosmetic AP Physics C EM E1.2 Electric fields and potentials with calculus Moved positions of labels for ri and rf vectors 2018/06/04 17:18
Released   SYNC (Master folder)       2018/06/04 17:19
Released Medium Missing item AP Physics 1 3.1 Forces figures Add subscript G for grav. Mass & subscript I for inertial mass in formulas & in Newt 2 figures; add force labels 2018/06/06 20:53
Released Easy Missing item AP Physics 1 8.2 Torque and rotational inertia Add mass labels to second pair of panels for rotational inertia discussion; changed shade of lab tape 2018/06/06 21:00
Released Medium Cosmetic AP Physics C Mech 3.6 Non-inertial reference frames Add primes to accelerated coordinate system, inserted some missing axis labels, nudged some gradient box edges 2018/06/06 21:44
Released   SYNC (Master folder)       2018/06/06 21:46
Released Medium Missing item AP Physics 2 12.3.2 Electric fields and potentials Added bar chart for potentials (MR) 2018/06/06 22:30
Released Copy fig Missing item AP Physics C EM E1.2 Electric fields and potentials with calculus Added bar chart for potentials (MR) 2018/06/06 22:32
Released Easy Cosmetic AP Physics C Mech 8.1 Rotational kinematics and dynamics cribsheet calc Changed KE to K 2018/06/06 22:37
Released Medium Cosmetic AP Physics C Mech 7.2.2 Potential energy landscapes calc Added ri and rf vectors, adjusted dash sizes, nudged dashed spheres 2018/06/06 22:48
Released Medium Cosmetic AP Physics C EM E1.2 Electric fields and potentials with calculus Nudged dashed spheres 2018/06/06 22:51
Released Easy Cosmetic AP Physics C Mech 5.3 Parallels momentum and energy Changed KE to K 2018/06/06 22:54
Released Medium Cosmetic AP Physics 2 18.1 Thermo first law Changed KE to K, changed shading on PV work Riemann sum diagram 2018/06/06 22:59
Released Medium Cosmetic AP Physics 2 17.3 Subatomic physics Changed KE to K, vertical arrow nudge up 5pxl, fixed horizontal stretch of bar chart font 2018/06/06 23:06
Released Medium Cosmetic AP Physics 2 17.2.1 Special relativity Changed KE to K, fixed horizontal stretch of bar chart font 2018/06/06 23:15
Released Medium Cosmetic AP Physics 2 17.1 Quantum physics Fix rotation on photoelectric effect bar, change KE to K, fix horizontal stretch of bar chart font 2018/06/06 23:24
Released Tedious Missing item AP Physics 2 17.1 Quantum physics Add energy bar chart to abs/em (MR); replace "electron" w/ "atom" in abs/em; check dashed bubbles in few days 2018/06/07 0:35
Released   SYNC (Master folder)       2018/06/07 0:48
Released Tedious Cosmetic AP Physics 2 17.1 Quantum physics Whooshify photons (fast relative to other things), adjusted photoelectric effect e- ghost images, nudge "no" signs 2018/06/07 11:55
Released Medium Missing item AP Physics 2 7.6 Kinetic theory of ideal gas Add bar chart for kinetic energies of a bunch of representative particles (MR); change KE to K 2018/06/07 13:01
Released Easy Cosmetic AP Physics 2 7.5 Fluid mechanics Change KE to K, fix corners of 3-d box for density figures 2018/06/07 13:07
Released Tedious Missing item AP Physics 2 18.1 Thermo first law Add lattice components (ions & e-s) to show conduction of vibrations, add force & displacement to work on gas (MR) 2018/06/07 14:39
Released   SYNC (Master folder)       2018/06/07 14:42
Released Tedious Missing item AP Physics 2 7.6 Kinetic theory of ideal gas Add more velocity vectors 2018/06/07 19:05
Released Medium Missing item AP Physics 2 7.2.2 Potential energy landscapes Indicate example kinetic energy gaps (MR) 2018/06/07 19:27
Released Copy fig Missing item AP Physics C Mech 7.2.2 Potential energy landscapes calc Indicate example kinetic energy gaps (MR) 2018/06/07 19:29
Released   SYNC (Master folder)       2018/06/07 19:38
Released Medium Cosmetic AP Physics 2 17.3 Subatomic physics Nudge the arrows on the purple photon, respace the anchors on the purple photon 2018/06/08 12:46
Released Medium Missing item AP Physics 2 17.1 Quantum physics Add velocity vector to photoelectric e-, adjust photon anchor points, adjust dashed bubble anchor, bubbles dashes 2018/06/08 13:10
Released Medium Cosmetic AP Physics 2 16.5 Light interrupted Nudge the arrows and respace the anchors on the photons 2018/06/08 13:23
Released Easy Cosmetic AP Physics 1 12.2 SiQuENC charge transfer Put "(in)" in front of "equation(s)", capitalize charges in charge conservation equation 2018/06/08 13:30
Released   SYNC (Master folder)       2018/06/08 13:34
Released Copy Cosmetic AP Physics C EM E1.1.1 SiQuENC charge transfer Put "(in)" in front of "equation(s)", capitalize charges in charge conservation equation 2018/06/08 14:16
Released Tedious Missing item AP Physics 2 15.2 Polarization of light Showed dashed bubble, force, & displacement on 2 panels, nudged labels, changed ghost imag style 2018/06/08 16:43
Released Medium Missing item AP Physics 1 1.1 1-d Kinematics describe Add more explicit path length illustration (MR) 2018/06/08 18:27
Released Copy fig Missing item AP Physics C Mech 1.1 1-d Kinematics describe calc Add more explicit path length illustration (MR) 2018/06/08 18:31
Released   SYNC (Master folder)       2018/06/08 18:33
Released Medium Cosmetic AP Calculus BC 4.7 Polar calculus Add theta arrowed arc and radial arrowed segment; choose different representative point 2018/06/08 19:05
Released Medium Missing item AP Physics 1 11.3 Doppler Add velocity vectors to ears and individual portions of wavefronts 2018/06/08 20:25
Released   SYNC (Master folder)       2018/06/08 20:26
Released Easy Cosmetic AP Physics 1 10.1 SHM Graphs Changed KE to K 2018/06/08 20:30
Released Easy Cosmetic AP Physics 1 8.4 SiQuENC Angular impulse-momentum Put "(in)" in front of "equation(s)" 2018/06/08 20:31
Released Easy Cosmetic AP Physics 1 8.3 SiQuENC Torques and forces Put "(in)" in front of "equation(s)" 2018/06/08 20:33
Released Easy Cosmetic AP Physics 1 8.1 Rotational kinematics and dynamics cribsheet Changed KE to K 2018/06/08 20:35
Released   SYNC (Master folder)       2018/06/08 20:37
Released Easy Cosmetic AP Physics 1 10.5 Resonance Thinned dashed grid lines in background 2018/06/08 22:48
Released Easy Cosmetic AP Physics 1 10.1 SHM Graphs Thinned dashed grid lines in background 2018/06/08 22:52
Released Medium Cosmetic AP Physics 1 7.4 Types of collisions Changed KE to K; Horiz. width of some text reduced to 89.35% (bar charts and Roman numerals) 2018/06/08 23:09
Released Easy Cosmetic AP Physics 1 7.3 SiQuENC Work-energy Changed KE to K; nudged equation a bit to make = sign line up better underneath before-after divider line 2018/06/08 23:14
Released Easy Cosmetic AP Physics 1 7.1 Work done by a force Changed KE to K; fixed work @ angle picture (small nudges) 2018/06/08 23:20
Released Easy Cosmetic AP Physics 1 5.4 SiQuENC Impulse-momentum Put "(in)" in front of "equation(s)" 2018/06/08 23:21
Released Easy Cosmetic AP Physics 1 5.3 Parallels momentum and energy Changed KE to K 2018/06/08 23:24
Released Tedious Cosmetic AP Physics 1 5.2 Not-necessarily-conservation laws Changed KE to K; fixed horizontal width of bar chart text; tidied up formatting of subscripts in conservation figures 2018/06/08 23:46
Released Medium Cosmetic AP Physics 1 5.2 Not-necessarily-conservation laws Insert missing commas in momentum and energy conservation equations (there are already some commas) 2018/06/08 23:46
Released Tedious Cosmetic AP Physics 1 5.0 Newt 2 can be re-expressed Changed KE to K 2018/06/08 23:59
Released   SYNC (Master folder)       2018/06/09 0:03
Released Easy Cosmetic AP Physics 1 4.3 SiQuENC Circular motion forces Put "(in)" in front of "equation(s)" 2018/06/09 10:16
Released Easy Cosmetic AP Physics 1 3.4 SiQuENC Forces Put "(in)" in front of "equation(s)" 2018/06/09 10:18
Released   SYNC (Master folder)       2018/06/09 10:23
Released Medium Missing item AP Physics C Mech 6.2 Mass-averaging over continuous mass distributions Add other dimension labels (area, length, overall volume, overall area, overall length, overall mass); change dm to dM 2018/06/10 0:29
Released Medium Cosmetic AP Physics 1 1.2 1-d Kinematics graph interpretation Add tick marks, minor style (line width) adjustments 2018/06/10 21:58
Released Tedious Missing item AP Physics 1 1.2.2 UAM position formula derivation Create (use graphical analysis of area of rectangle and triangle) cribsheet 2018/06/10 22:16
Released Medium Missing item AP Physics 2 7.2.2 Potential energy landscapes Add velocity change vectors; lighten Riemann sum rectangles 2018/06/10 22:35
Released Copy fig Missing item AP Physics C Mech 7.2.2 Potential energy landscapes calc Add velocity change vectors; lighten Riemann sum rectangles 2018/06/10 22:36
Released Medium Missing item AP Calculus BC 4.7 Polar calculus Add labels for x and y on right triangle on front page 2018/06/10 22:42
Released Copy fig Cosmetic Precalculus 6.1 Polar coordinates Add theta arrowed arc and radial arrowed segment; choose different representative point 2018/06/10 22:46
Released Medium Cosmetic AP Physics 2 16.7 Total internal reflection Nudge one of the angle congruent marks 2018/06/10 22:57
Released Medium Cosmetic AP Physics C EM M1.4 Mass spectrometer Convert velocity vectors in motion diagram into dot-arrow style, desaturate outer flame shade 2018/06/10 23:25
Released Copy Cosmetic AP Physics 2 13.3 Mass spectrometer Convert velocity vectors in motion diagram into dot-arrow style, desaturate outer flame shade 2018/06/10 23:27
Released Copy fig Cosmetic AP Physics 2 17.1 Quantum physics Replace mass spectrometer figure after editing velocity vector and flame outer shade in AP Physics C EM 2018/06/10 23:36
Released   SYNC (Master folder)       2018/06/10 23:37
Released Medium Cosmetic AP Physics 1 1.1 1-d Kinematics describe Adjust spacings of vectors in motion diagram; add commas on Delta vs (for now no extra spaces) 2018/06/11 12:21
Released Copy fig Cosmetic AP Physics C Mech 1.1 1-d Kinematics describe calc Adjust spacings of vectors in motion diagram; add commas on Delta vs (for now no extra spaces) 2018/06/11 12:25
Released Easy Cosmetic AP Physics 1 1.2 1-d Kinematics graph interpretation Change graphs from dark red to dark blue color scheme 2018/06/11 12:36
Released Easy Cosmetic AP Physics 1 1.2.2 UAM position formula derivation Copy stick figure diagram with adjusted spacings on motion diagram; change graphs from dark red to dark blue 2018/06/11 12:42
Released Easy Cosmetic AP Physics 1 10.1 SHM Graphs Change color scheme of graphs (exchange dark red and dark red) 2018/06/11 13:01
Released Easy Cosmetic AP Physics 1 10.5 Resonance Match alignment of axis title adjusted in 10.1 2018/06/11 13:09
Released Easy Cosmetic AP Physics 2 7.2.2 Potential energy landscapes Change graphs from dark red to dark blue color scheme 2018/06/11 13:18
Released Copy fig Cosmetic AP Physics C Mech 7.2.2 Potential energy landscapes calc Change graphs from dark red to dark blue color scheme 2018/06/11 13:21
Released   SYNC (Master folder)       2018/06/11 13:23
Released Tedious Missing item AP Physics 2 16.6 Snell's law Added Huygen's spherical ripples; reconstructed figure for proper alignment 2018/06/12 2:04
Released   SYNC (Master folder)       2018/06/12 2:05
Released Tedious Cosmetic AP Physics 2 16.6 Snell's law Nudging and adding point markers 2018/06/12 14:53
Released Tedious Missing item AP Physics 2 16.2 Specular and diffuse reflection Add another figure panel to show law of reflection intuited from Huygens's wavelets 2018/06/12 15:29
Released Tedious Missing item AP Physics C EM M1.1 Magnetism with calculus Add before & after insets for displacement current in Ampere's law figure (MR) 2018/06/12 17:19
Released Tedious Missing item AP Physics 2 12.3.2 Electric fields and potentials Add energy bar chart, vi and vf vectors (MR) 2018/06/12 18:38
Released Copy fig Missing item AP Physics C EM E1.2 Electric fields and potentials with calculus Add energy bar chart, vi and vf vectors (MR) 2018/06/12 18:39
Released Medium Missing item AP Physics 1 12.3.1 Electric potential Add energy bar chart, vi and vf vectors (MR) 2018/06/12 18:44
Released Tedious Cosmetic AP Physics 1 4.5 Gravitation Fix bar chart font width 2018/06/12 18:53
Released Tedious Error AP Physics 1 4.6 Elliptical orbits Change W_EXT to W_OUF; Change KE to K; fix bar chart font width 2018/06/12 19:01
Released Tedious Cosmetic AP Physics C EM N1.2 Inductors Replace representative + charge carrier in coil with representative electron; add drop shadows to positive ions 2018/06/12 19:42
Released   SYNC (Master folder)       2018/06/12 19:47
Released Tedious Cosmetic AP Physics 2 17.1 Quantum physics Unify color coding on waves/graphs (except for orbital shading) 2018/06/13 22:25
Released Medium Cosmetic AP Physics 1 10.3 SHM cribsheet Added a faint really extended spring 2018/06/13 23:38
Released Copy fig Cosmetic AP Physics 1 10.2 SHM UCM connection Added a faint really extended spring 2018/06/13 23:40
Released Medium Cosmetic AP Physics 1 8.1 Rotational kinematics and dynamics cribsheet Slightly adjusted gray streaks on angular momentum figure 2018/06/13 23:43
Released Copy fig Cosmetic AP Physics 1 8.1 Rotational kinematics and dynamics cribsheet calc Slightly adjusted gray streaks on angular momentum figure 2018/06/13 23:45
Released Medium Cosmetic AP Physics 1 5.2 Not-necessarily-conservation laws Slightly nudged vertical axis arrowheads (5 pixels up), nudged bottoms of vertical axes upward 2018/06/14 0:20
Released Medium Cosmetic AP Physics 1 10.4 SHM Ignoring gravity Slight nudges on springs images; changed KE to K 2018/06/14 19:43
Released Tedious Cosmetic AP Physics 2 18.2 Thermo second law Replace gas with Einstein brick; reformat energy bar charts, (note pixel-level vert. misalignment of 2 figs on 2nd page) 2018/06/15 1:01
Released   SYNC (Master folder)       2018/06/15 1:04
Released Tedious Missing item AP Physics C EM N2.1 Maxwell's equations Showed plane-wave-in-box concept, wave velocity vector, added energy & momentum bars, fixed format of units on c 2018/06/15 12:20
Released Copy figs Missing item AP Physics 2 15.1 Physical (wave) optics Showed plane-wave-in-box concept, wave velocity vector 2018/06/15 12:33
Released Copy part Missing item AP Physics 2 15.2 Polarization of light Replaced "Propagation" arrow with wave velocity vector 2018/06/15 12:40
Released Tedious Missing item AP Physics 2 17.1 Quantum physics Replaced EM wave with wave in box and photon with photons in box 2018/06/15 14:23
Released Easy Cosmetic AP Physics C EM N2.1 Maxwell's equations Nudge arrowhead on vertical axis for momentum bar chart 2018/06/15 14:24
Released   SYNC (Master folder)       2018/06/15 14:26
Released Medium Cosmetic AP Physics 2 16.4 Mirror and lens ray approximations Slight nudges on converging lens, add angle arcs on converging lens 2018/06/15 15:54
Released Medium Cosmetic AP Physics 2 17.1 Quantum physics Changed some outlines to dashes (Convention: "dashed bubble" around system) 2018/06/15 15:57
Released Copy fig Cosmetic AP Physics 2 15.1 Physical (wave) optics Changed outline to dashed outline 2018/06/15 16:02
Released Copy fig Cosmetic AP Physics C EM N2.1 Maxwell's equations Changed outline to dashed outline 2018/06/15 16:05
Released Easy Cosmetic AP Physics 2 17.1 Quantum physics Removed dashed curvey blue arrows 2018/06/15 16:27
Released Copy fig Cosmetic AP Physics C EM N2.1 Maxwell's equations Removed dashed curvey blue arrows 2018/06/15 16:28
Released   SYNC (Master folder)       2018/06/15 16:29
Released Medium Cosmetic AP Physics 2 18.2 Thermo second law Add "assign" arrows to temperatures on S vs. Uint graph, add label for a bar chart referring to a microstate 2018/06/15 16:53
Released Medium Cosmetic AP Physics C EM N1.2 Inductors Changed ion/electron shadow layering 2018/06/15 17:36
Released Easy Cosmetic AP Physics 1 12.4 Current Add drop shadows to positive ions in battery figure and in resistor figure, changed electron-ion shadow layering order 2018/06/15 17:53
Released Easy Cosmetic AP Physics C EM E2.1.1 Current Add drop shadows to positive ions in battery figure and in resistor figure, changed electron-ion shadow layering order 2018/06/15 17:55
Released Medium Missing item AP Physics 2 12.8 Capacitors Show Riemann sum rectangles for Uc 2018/06/15 18:28
Released Copy Missing item AP Physics C EM E1.5 Capacitors Show Riemann sum rectangles for Uc 2018/06/15 18:29
Released Medium Cosmetic AP Physics C Mech 7.1.2 Work done along a path Added double-headed arrow to label Delta l 2018/06/15 18:36
Released Medium Cosmetic AP Physics 2 18.1 Thermo first law Added double-headed arrow to label Delta V_sys 2018/06/15 18:47
Released Medium Cosmetic AP Physics 1 7.1 Work done by a force Added double-headed arrow to label Delta l on varying force graph 2018/06/15 18:57
Released Medium Cosmetic AP Physics 1 5.1 Impulse delivered by a force Added double-headed arrow to label Delta t on varying force graph 2018/06/15 19:02
Released Tedious Cosmetic AP Physics 1 1.2 1-d Kinematics graph interpretation Added double-headed arrows to label Delta ts on v vs. t and a vs. t graphs 2018/06/15 19:26
Released Tedious Missing item Make and solve physics T.0 SiQuENC for AP Physics Add section on REASoNing 2018/06/15 20:00
Released   SYNC (Master folder)       2018/06/15 20:01
Released Medium Cosmetic AP Physics 2 16.1 Geometric (ray) optics Slight nudges on ray diagrams 2018/06/16 15:45
Released Tedious Missing item AP Physics 2 16.4 Mirror and lens ray approximations Add figures for diverging mirror and diverging lens 2018/06/16 15:54
Released   SYNC (Master folder)       2018/06/16 15:55
Released Tedious Missing item AP Physics 2 17.3 Subatomic physics Add force diagrams showing Fe and Fstrong at various distances; add dumbbell state; half-life chart (MR) 2018/06/17 21:04
Released   SYNC (Master folder)       2018/06/17 21:08
Released Tedious Missing item AP Physics 2 17.3 Subatomic physics Add quarks & strong force; add antineutrino (beta decay); change outline on interpenetration; half-life dashed line; pg. count 2018/06/18 13:46
Released   SYNC (Master folder)       2018/06/18 13:47
Released Medium Missing item AP Physics 2 7.5 Fluid mechanics Add definition of Pascal and atm; kerning of vi and vf changed from Auto to Optical, slight nudging 2018/06/18 15:58
Released Tedious Missing item AP Physics 2 7.6 Kinetic theory of ideal gas Add example PV diagram showing example isotherms; show Delta v for an example collision (MR) 2018/06/18 16:23
Released Easy Cosmetic AP Physics 1 12.4 Current Non-Ohmic graph: Changed axis style near origin 2018/06/18 16:30
Released Easy Cosmetic AP Physics 1 E2.1.1 Current Non-Ohmic graph: Changed axis style near origin 2018/06/18 16:31
Released Easy Cosmetic AP Physics C EM E2.3 RC Charging Fix layering error, vertically re-align time tickmark, origin style, dashed line thickness, center graph on page 2018/06/18 16:54
Released Copy figs Cosmetic AP Physics C EM E2.3.1 Mnemonic for exponential decays Fix layering error, vertically re-align time tickmark, origin style, dashed line thickness 2018/06/18 16:56
Released Easy Cosmetic AP Physics C EM N1.3 LR Increasing current Fix layering error, vertically re-align time tickmark, origin style, dashed line thickness 2018/06/18 17:06
Released   SYNC (Master folder)       2018/06/18 17:07
Released Medium Missing item AP Physics 1 6.1 Center of mass cribsheet Label at least one of the shot puts with lowercase Italic m 2018/06/18 22:56
Released Medium Missing item AP Physics 2 7.5 Fluid mechanics Mass density: Label one of the shot puts m, and label a subvolume Delta V; add gauge pressure fig 2018/06/19 0:33
Released Copy figs Missing item AP Physics C Mech 6.2 Mass-averaging over continuous mass distributions Insert mass density figure somewhere in second column; copy fig for discrete masses with differential quantity labels 2018/06/19 0:49
Released   SYNC (Master folder)       2018/06/19 0:51
Released Tedious Cosmetic AP Physics 2 17.3 Subatomic physics FBD: Make force arrow line relatively narrower 2018/06/19 15:32
Released Tedious Cosmetic AP Physics 1 4.5 Gravitation FBD: Make force arrow line relatively narrower (including in superposition figure) 2018/06/19 23:04
Released Tedious Cosmetic AP Physics 1 12.1 Electric charge and force FBD: Make force arrow line relatively narrower (including in superposition figure) 2018/06/19 23:07
Released Copy Cosmetic AP Physics C EM E1.1 Electric charge and force FBD: Make force arrow line relatively narrower (including in superposition figure) 2018/06/19 23:08
Released Medium Cosmetic AP Physics C EM M1.1 Magnetism with calculus Nudged observation point 2018/06/19 23:54
Released Tedious Cosmetic AP Physics C Mech 7.1.2 Work done along a path FBD: Make force arrow line relatively narrower 2018/06/19 23:59
Released Medium Cosmetic AP Physics 2 7.5 Fluid mechanics Nudges on mass density figure 2018/06/20 0:26
Released Easy Cosmetic AP Physics C Mech 6.2 Mass-averaging over continuous mass distributions Change "uniform mass distribution" to "uniform mass density" 2018/06/20 1:02
Released   SYNC (Master folder)       2018/06/20 1:29
Released Medium Cosmetic AP Physics C Mech 7.1.2 Work done along a path Added some stroboscopic snapshots 2018/06/20 12:47
Released Medium Cosmetic AP Physics 2 7.5 Fluid mechanics Increased font size on density figure 2018/06/20 13:29
Released Medium Cosmetic AP Physics C Mech 6.2 Mass-averaging over continuous mass distributions Increased font size on density figure 2018/06/20 13:31
Released Tedious Missing item AP Physics C EM E1.2 Electric fields and potentials with calculus Add charge density figure; add blue obs. point+eye to DeltaV on path (2 figs); convert Delta to d on potato; show differential quantities at point 2018/06/20 13:35
Released   SYNC (Master folder)       2018/06/20 13:37
Released Medium Cosmetic AP Physics C Mech 7.1.2 Work done along a path Changed style of masses in stroboscopic snapshots 2018/06/20 15:40
Released Medium Cosmetic AP Physics C Mech 7.2.2 Potential energy landscapes calc Change style of stroboscopic snapshots 2018/06/20 16:09
Released Medium Cosmetic AP Physics C EM E1.2 Electric fields and potentials with calculus Potato: Removed ghost displacement vector, changed size blue dot, label overall Q, V; nudged sphere on line integral; space dQ = rho [space] dV 2018/06/20 16:38
Released   SYNC (Master folder)       2018/06/20 16:39
Released Easy