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)     It appears that Adobe Illustrator CC 2018 is not throwing errors when moving arrowed elements; maybe my whining on the Adobe support forum made a difference (the software is SO expensive).  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     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 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 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 Medium Missing item AP Physics 1   Doppler Add velocity vectors to ears and individual portions of wavefronts 2018/03/18 18:02
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 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 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 Cosmetic AP Physics C EM E1.1 Electric charge and force Long-term: Redraw hands to touch each other    
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 Tedious Beyond scope AP Physics C EM E2.1.1 Current Increase accuracy of battery diagram (necessary to illustrate a redox reaction?)    
No rush Tedious Missing item AP Physics C EM M1.1 Magnetism with calculus Figures don't illustrate relationships between variables using multiple cases (e.g. Biot-Savart fig has less detail than Coulomb's law cases figs, should show various dB generated by various differential current elements in separate snapshots)    
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 Medium Cosmetic AP Calculus BC 4.7 Polar calculus Add theta arrowed arc and radial arrowed segment; choose different representative point    
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 single efficient figure: Comparison tests (MR)    
Queued Medium Cosmetic AP Physics 1 3.5 Drag force Add bubble around block? (Force diagram is separate from picture, thus a bubble would be reasonable to add)    
Queued Medium Cosmetic AP Physics 1 5.1 Impulse delivered by a force Add labels for mass m    
Queued Medium Cosmetic AP Physics 1 7.1 Work done by a force Add labels for mass m    
Queued Medium Missing item AP Physics 1 7.4 Types of collisions Add dashed bubble to system    
Queued Tedious Missing item AP Physics 1 7.4 Types of collisions Add energy bar charts for each of the three collision scenarios (MR)    
Queued Tedious Cosmetic AP Physics 1 7.4 Types of collisions Check for accurate scaling of velocity vectors, ghost image spacings, & energy bar charts    
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 10.2 SHM cribsheet Cases: vary m, vary k (IBL)    
Queued Tedious Missing item AP Physics 1 10.2 SHM cribsheet UCM diagram rvect, Deltav vect, motion diagram, a = -omega^2 r (MR)    
Queued Medium Cosmetic AP Physics 1 11.1 Waves Ghost images and whooshies for resultant wave are missing    
Queued Medium Cosmetic AP Physics 1 11.1 Waves Nudge speakers in constructive/destructive interference figures    
Queued Tedious Missing item AP Physics 1 11.2 Speed of wave on string Illustrate force vectors acting on representative mass elements (MR)    
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 Tedious Missing item AP Physics 1 12.4 Current lllustrate that inc. temp causes inc. jiggliness of atomic cores (thus inc. resistance)    
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 Missing item AP Physics 1 12.3.1 Electric potential Add + signs and "+2 C" to moving test charge (needed because scaled electric force vector is drawn)    
Queued Tedious Cosmetic AP Physics 1 12.3.1 Electric potential Background charge icon: Hyphen to minus    
Queued Medium Cosmetic AP Physics 2 12.8 Capacitors Add voltage braces to energy storage figure    
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 Adjust spacing of charges on plates in "half-charged" situation ("work-done-charging" figure)    
Queued Tedious Cosmetic AP Physics 2 12.8 Capacitors Adjust spacing of charges on plates in "half-charged" situation (intro figure)    
Queued 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    
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 Copy fig Cosmetic AP Physics 2 13.3 Mass spectrometer Convert velocity vectors in motion diagram into dot-arrow style    
Queued Medium Cosmetic AP Physics 2 15.1 Physical (wave) optics In EM wave figure, label polarization    
Queued Tedious Missing item AP Physics 2 17.1 Quantum physics Add energy bar chart to photoelectric effect (MR)    
Queued Tedious Missing item AP Physics 2 17.1 Quantum physics Add energy bar chart to photon absorption/emission (MR)    
Queued Copy fig Cosmetic AP Physics 2 17.1 Quantum physics In EM wave figure, label polarization    
Queued Tedious Cosmetic AP Physics 2 12.3.2 Electric fields and potentials Background charge icon: Hyphen to minus    
Queued Tedious Cosmetic AP Physics 2 17.3.1 Special relativity Add motion blur images to various moving objects in various diagrams    
Queued Medium Cosmetic AP Physics 2 17.3.1 Special relativity Convert velocity vectors in motion diagram into dot-arrow style    
Queued 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)    
Queued Tedious Missing item AP Physics 2   Electromagnetism Add a magnetic field line conserving argument for Lenz    
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 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 changing hyphens in text to minus signs    
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 Illustrate that inc. temp causes inc. jiggliness of atomic cores (thus inc. resistance)    
Queued Tedious Cosmetic AP Physics C EM E2.1.1 Current KLR: Background charge icon: Hyphen to minus    
Queued Medium Cosmetic AP Physics C EM M1.4 Mass spectrometer Convert velocity vectors in motion diagram into dot-arrow style    
Queued Tedious Cosmetic AP Physics C EM N1.2 Inductors Why is the example charge a + sign without an e? Wow; this sheet is really dense.     
Queued Tedious Missing item AP Physics C EM N1.4 LC and RLC Add snapshots to describe 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 figs Missing item AP Physics C EM   Electromagnetism Add a magnetic field line conserving argument for Lenz    
Queued Medium Cosmetic AP Physics C Mech 8.1 Rotational kinematics and dynamics cribsheet calc Ang mom figure: Move velocity label    
Queued Easy Cosmetic AP Physics C Mech 8.1 Rotational kinematics and dynamics cribsheet calc Change order in which torque, Newt II of rotational motion, and rotational inertia are listed    
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; create visualization of deductive reasoning    
Queued Tedious Missing item Make and solve physics     Multiple-choice/multi-select problem type inventory    
Queued Medium Cosmetic Precalculus 6.1 Polar coordinates Add theta arrowed arc and radial arrowed segment; choose different representative point    
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