misc fixes to LM

diff --git a/cp/answers.csv b/cp/answers.csv
index 3b205eb..0d96358 100644 (file)
--- a/cp/answers.csv
+++ b/cp/answers.csv
@@ -14517,3 +14517,60 @@
 7,real-do-and-di,self_check
 8,ribbon-on-spring,self_check
 8,ribbon-on-spring,self_check
+1,conservation,self_check
+1,bacteria-queue,self_check
+1,mars-and-venus,self_check
+1,mg-to-kg,answer
+2,moonviolatestranslation,self_check
+2,markcm,self_check
+2,thirdframepcons,self_check
+2,heavierball,self_check
+3,importance-of-torque-equations,self_check
+3,pliers,answer
+4,unequalcollisioncons,self_check
+5,typesofcharge,self_check
+5,inductionneg,self_check
+6,alternator,self_check
+7,two-reflections-from-same-point,self_check
+7,candlefivetimes,self_check
+7,move-object-laterally,self_check
+7,real-do-and-di,self_check
+8,ribbon-on-spring,self_check
+1,conservation,self_check
+1,bacteria-queue,self_check
+1,mars-and-venus,self_check
+1,mg-to-kg,answer
+2,moonviolatestranslation,self_check
+2,markcm,self_check
+2,thirdframepcons,self_check
+2,heavierball,self_check
+3,importance-of-torque-equations,self_check
+3,pliers,answer
+4,unequalcollisioncons,self_check
+5,typesofcharge,self_check
+5,inductionneg,self_check
+6,alternator,self_check
+7,two-reflections-from-same-point,self_check
+7,candlefivetimes,self_check
+7,move-object-laterally,self_check
+7,real-do-and-di,self_check
+8,ribbon-on-spring,self_check
+1,conservation,self_check
+1,bacteria-queue,self_check
+1,mars-and-venus,self_check
+1,mg-to-kg,answer
+2,moonviolatestranslation,self_check
+2,markcm,self_check
+2,thirdframepcons,self_check
+2,heavierball,self_check
+3,importance-of-torque-equations,self_check
+3,pliers,answer
+4,unequalcollisioncons,self_check
+5,typesofcharge,self_check
+5,inductionneg,self_check
+6,alternator,self_check
+7,two-reflections-from-same-point,self_check
+7,candlefivetimes,self_check
+7,move-object-laterally,self_check
+7,real-do-and-di,self_check
+8,ribbon-on-spring,self_check

diff --git a/lm/em/d.rbtex b/lm/em/d.rbtex
index 18172aa..3d62028 100644 (file)
--- a/lm/em/d.rbtex
+++ b/lm/em/d.rbtex
@@ -461,7 +461,7 @@ Since a magnetic field is essentially an electric field seen in a different fram
 equation to be closely analogous to the electric version, and it is:
 \begin{align*}
 (\text{energy stored in the gravitational field per $\munit^3$}) &= -\frac{1}{8\pi G}|\vc{g}|^2\\
-(\text{energy stored in the electric field per $\munit^3$}) &= \frac{1}{8\pi k}|\vc{E}^2|\\
+(\text{energy stored in the electric field per $\munit^3$}) &= \frac{1}{8\pi k}|\vc{E}|^2\\
 (\text{energy stored in the magnetic field per $\munit^3$}) &= \frac{c^2}{8\pi k}|\vc{B}|^2
 \end{align*}
 The idea here is that $k/c^2$ is the magnetic version of the electric quantity $k$, the $1/c^2$ representing the fact

diff --git a/lm/em/f.rbtex b/lm/em/f.rbtex
index d24f482..1fc8a08 100644 (file)
--- a/lm/em/f.rbtex
+++ b/lm/em/f.rbtex
@@ -1626,7 +1626,8 @@ kilocalorie.]\answercheck
 <% begin_hw('tandem') %>
 The figure shows a simplified diagram of a device called
 a tandem accelerator, used for accelerating beams of ions up
-to speeds on the order of 1\% of the speed of light. The
+to speeds on the order of 1-10\% of the speed of light. (Since these velocities are not too big
+compared to $c$, you can use nonrelativistic physics throughout this problem.) The
 nuclei of these ions collide with the nuclei of atoms in a
 target, producing nuclear reactions for experiments studying
 the structure of nuclei. The outer shell of the accelerator

diff --git a/share/em-general/text/ex_chart_of_nuclei.tex b/share/em-general/text/ex_chart_of_nuclei.tex
index 6a6ffd5..a6bb55c 100644 (file)
--- a/share/em-general/text/ex_chart_of_nuclei.tex
+++ b/share/em-general/text/ex_chart_of_nuclei.tex
@@ -38,7 +38,8 @@ What would be the action of each of these on the chart of the nuclei? The * repr
 Find the daughter isotope.
 
 (b) Is the daughter stable, or is it neutron-rich or -poor relative to the line of stability? (To estimate
-what's stable, you can consult a periodic table and use the average atomic mass as an
+what's stable, you can use a large chart of the nuclei, or, if you don't have one handy,
+consult a periodic table and use the average atomic mass as an
 approximation ot the stable value of $A$.)
 
 (c) Consulting the chart of the nuclei (fig.~\figref{chartofnuclei} on p.~\pageref{fig:chartofnuclei}),

diff --git a/share/mechanics/text/n3e.tex b/share/mechanics/text/n3e.tex
index 23637c6..5aa6968 100644 (file)
--- a/share/mechanics/text/n3e.tex
+++ b/share/mechanics/text/n3e.tex
@@ -788,8 +788,8 @@ there. m4_ifelse(__lm_series,1,[::],[:The shell theorem is proved on p.~\pageref
   fig(
     'shell-theorem',
     %q{%
-      A, who is outside a spherical shell of
-      mass, feels gravitational forces from
+      Cut-away view of a spherical shell of
+      mass. A, who is outside the shell, feels gravitational forces from
       every part of the shell --- stronger
       forces from the closer parts, and
       weaker ones from the parts farther

diff --git a/share/relativity/hw/vintermsofp.tex b/share/relativity/hw/vintermsofp.tex
index 62ce7fd..0c5ca2c 100644 (file)
--- a/share/relativity/hw/vintermsofp.tex
+++ b/share/relativity/hw/vintermsofp.tex
@@ -2,7 +2,7 @@
 object in terms of its mass and momentum (eliminating
 $\mygamma$).\answercheck\hwendpart
 (b) Show that your result
-is approximately the same as the classical value, $p/m$, at
+is approximately the same as the nonrelativistic value, $p/m$, at
 low velocities.\hwendpart
 (c) Show that very large momenta result in
 speeds close to the speed of light.

diff --git a/share/relativity/text/relativity_dynamics.tex b/share/relativity/text/relativity_dynamics.tex
index 57b0afd..56678ac 100644 (file)
--- a/share/relativity/text/relativity_dynamics.tex
+++ b/share/relativity/text/relativity_dynamics.tex
@@ -468,7 +468,7 @@ two systems together and call them one big system, adding their mass-energies an
 When we do this, the mass of the combination is not the same as  the sum of the masses.
 For example, suppose we have two rays of light moving in opposite directions, with
 energy-momentum vectors $(\massenergy,\massenergy,0,0)$ and $(\massenergy,-\massenergy,0,0)$.
-Adding these gives $(\massenergy,0,0)$, which implies a mass equal to $\massenergy$. In
+Adding these gives $(2\massenergy,0,0)$, which implies a mass equal to $2\massenergy$. In
 fact, in the early universe, where the density of light was high, the universe's ambient
 gravitational fields were mainly those caused by the light it contained.
 

diff --git a/sn/answers.csv b/sn/answers.csv
index 055f256..4b4ccba 100644 (file)
--- a/sn/answers.csv
+++ b/sn/answers.csv
@@ -477765,3 +477765,1119 @@
 13,angmompicture,self_check
 13,listingatomstates,self_check
 13,kinky-hydrogen,self_check
+0,psychic,self_check
+0,cathode-rays,self_check
+0,operational-definition,self_check
+0,slow-time,self_check
+0,bacteria-queue,self_check
+0,nigeria,self_check
+0,count-sig-figs,self_check
+0,yd2-yd3,self_check
+0,axle-ratios,self_check
+0,mg-to-kg,answer
+0,geometric-mean,answer
+0,triangle-formula,answer
+0,mars-drop-time,answer
+0,dodge-viper,answer
+0,square-mm-to-cm,answer
+0,light-bucket,answer
+0,richter,answer
+0,martini,answer
+0,liter-cube,answer
+0,great-wall,answer
+0,jelly-beans,answer
+1,hoseup,self_check
+1,dxsign,self_check
+1,inertia-counterexamples,self_check
+1,beer,self_check
+1,moneyquantum,self_check
+1,cycloid,answer
+2,cardiag,self_check
+2,boatpower,answer
+2,ratioke,answer
+2,microwave-waste,answer
+2,grasshopper,answer
+2,tightropish,hint
+2,funkyatwood,hint
+2,lennardjones,hint
+2,geosynch,hint
+2,escape2,hint
+2,tides,hint
+2,hangfromspring,hint
+2,pulleyandspring,hint
+2,springsseries,hint
+2,springsseries,bare_answer
+3,gymnastics-wheel,self_check
+3,force-or-not,self_check
+3,frictionnormal,self_check
+3,static-or-kinetic,self_check
+3,find-directions-of-forces,self_check
+3,swing-energy,self_check
+3,compare-damping,self_check
+3,q-is-when-dead,self_check
+3,a-propto-q,self_check
+3,translatefvector,self_check
+3,graphicalscalarmult,self_check
+3,funkosity,answer
+3,twotoonecollision,bare_answer
+3,fridge-recoil,answer
+3,time-to-brake,answer
+3,mass-or-weight,answer
+3,third-law-partners,answer
+3,youngmodulus,answer
+3,maxampatdc,hint
+3,maxampatdc,bare_answer
+3,braginskii,bare_answer
+3,firework,answer
+3,hockey-pucks,answer
+3,baseballrange,bare_answer
+3,baseballrange,bare_answer
+3,baseballrangeair,bare_answer
+3,baseballrangeair,bare_answer
+3,annieoakley,answer
+3,cargoplane,answer
+3,wagon,answer
+3,reposeasteroid,answer
+3,anglebetween,hint
+3,ropeslopes,hint
+4,torque,self_check
+4,thetazero,self_check
+4,omegasigns,self_check
+4,righthanddtheta,self_check
+4,anticommutative,self_check
+4,pliers,answer
+4,tipbox,hint
+4,wheeloverstep,hint
+4,erbium,hint
+4,toppling-rod,answer
+5,solidspressureside,self_check
+5,pressureconst,self_check
+5,idealgasentropy,self_check
+5,heart-efficiency,bare_answer
+5,violin-helmholtz,bare_answer
+6,coilspringvel,self_check
+6,reflenergy,self_check
+6,sonarinvisibility,self_check
+6,wavelosesnergy,self_check
+6,perfectopticalcoating,self_check
+6,passtwice,self_check
+6,asymmpipemodes,self_check
+6,sinwavekinem,hint
+6,lasso,hint
+6,lasso,bare_answer
+6,wave-on-hanging-string,bare_answer
+6,flute,bare_answer
+6,maxtransmission,bare_answer
+6,maxtransmission,bare_answer
+7,gammaatvzero,self_check
+7,doppler-approaching,self_check
+7,unequalcollisioncons,self_check
+7,mass-energy,self_check
+7,rel-vel-addition,answer
+7,angular-defect,answer
+7,tossed-clock,hint
+7,tossed-clock,answer
+8,typesofcharge,self_check
+8,inductionneg,self_check
+8,quantizedmoney,self_check
+8,reversedthomson,self_check
+8,hbindingenergy,self_check
+9,killbattery,self_check
+9,timebetweenelectrons,answer
+9,combine-unequal-resistors,answer
+9,tetrahedron,answer
+9,electrongun,answer
+9,measure-on-printed-circuit,answer
+10,pointchargefield,self_check
+10,pointchargevtoe,self_check
+10,topointerp,self_check
+10,reverseex,self_check
+10,numercapunits,self_check
+10,lrcsigns,self_check
+10,xvqi,self_check
+10,complex-square-root,self_check
+10,represent-as-complex,self_check
+10,caplabel,self_check
+10,influx,self_check
+10,dipolev,hint
+10,screened,answer
+10,estrips,bare_answer
+10,epointinfty,hint
+10,vedgedisk,hint
+10,addition-theorem-for-sine,answer
+10,cube-roots-of-unity,answer
+10,factor-cubic,answer
+11,circularorbitbdirection,self_check
+11,bgauss,self_check
+11,betweenwires,self_check
+11,solenoiddirection,self_check
+11,solenoidell,self_check
+11,solenoidsize,self_check
+11,alternator,self_check
+11,faradayunits,self_check
+11,withdraw-dielectric,self_check
+11,linechargecurrent,bare_answer
+11,forcebetweentwowires,bare_answer
+11,solarconstant,hint
+11,circularcap,hint
+11,timereversalem,answer
+11,timereversalem,answer
+11,timereversalem,hint
+11,biot-savart-spiral,answer
+12,two-reflections-from-same-point,self_check
+12,move-object-laterally,self_check
+12,real-do-and-di,self_check
+12,asymptotes,self_check
+12,index-of-refraction,self_check
+12,lenses-flame,self_check
+12,diffract-around-body,self_check
+12,trough-trough,self_check
+12,single-slit-wavelength,self_check
+12,radio-telescopes,self_check
+12,virtual-image-location,answer
+12,image-combinations,answer
+12,field-of-view,answer
+12,constant-thickness,answer
+12,very-weak-refraction,hint
+12,close-to-focal-length,bare_answer
+13,independence,self_check
+13,rangeofheights,self_check
+13,rate-of-decay-units,self_check
+13,extracth,self_check
+13,longwavelengthelectron,self_check
+13,smallh,self_check
+13,schrodingerassumptions,self_check
+13,walkthroughwall,self_check
+13,angmompicture,self_check
+13,listingatomstates,self_check
+13,kinky-hydrogen,self_check
+0,psychic,self_check
+0,cathode-rays,self_check
+0,operational-definition,self_check
+0,slow-time,self_check
+0,bacteria-queue,self_check
+0,nigeria,self_check
+0,count-sig-figs,self_check
+0,yd2-yd3,self_check
+0,axle-ratios,self_check
+0,mg-to-kg,answer
+0,geometric-mean,answer
+0,triangle-formula,answer
+0,mars-drop-time,answer
+0,dodge-viper,answer
+0,square-mm-to-cm,answer
+0,light-bucket,answer
+0,richter,answer
+0,martini,answer
+0,liter-cube,answer
+0,great-wall,answer
+0,jelly-beans,answer
+1,hoseup,self_check
+1,dxsign,self_check
+1,inertia-counterexamples,self_check
+1,beer,self_check
+1,moneyquantum,self_check
+1,cycloid,answer
+2,cardiag,self_check
+2,boatpower,answer
+2,ratioke,answer
+2,microwave-waste,answer
+2,grasshopper,answer
+2,tightropish,hint
+2,funkyatwood,hint
+2,lennardjones,hint
+2,geosynch,hint
+2,escape2,hint
+2,tides,hint
+2,hangfromspring,hint
+2,pulleyandspring,hint
+2,springsseries,hint
+2,springsseries,bare_answer
+3,gymnastics-wheel,self_check
+3,force-or-not,self_check
+3,frictionnormal,self_check
+3,static-or-kinetic,self_check
+3,find-directions-of-forces,self_check
+3,swing-energy,self_check
+3,compare-damping,self_check
+3,q-is-when-dead,self_check
+3,a-propto-q,self_check
+3,translatefvector,self_check
+3,graphicalscalarmult,self_check
+3,funkosity,answer
+3,twotoonecollision,bare_answer
+3,fridge-recoil,answer
+3,time-to-brake,answer
+3,mass-or-weight,answer
+3,third-law-partners,answer
+3,youngmodulus,answer
+3,maxampatdc,hint
+3,maxampatdc,bare_answer
+3,braginskii,bare_answer
+3,firework,answer
+3,hockey-pucks,answer
+3,baseballrange,bare_answer
+3,baseballrange,bare_answer
+3,baseballrangeair,bare_answer
+3,baseballrangeair,bare_answer
+3,annieoakley,answer
+3,cargoplane,answer
+3,wagon,answer
+3,reposeasteroid,answer
+3,anglebetween,hint
+3,ropeslopes,hint
+4,torque,self_check
+4,thetazero,self_check
+4,omegasigns,self_check
+4,righthanddtheta,self_check
+4,anticommutative,self_check
+4,pliers,answer
+4,tipbox,hint
+4,wheeloverstep,hint
+4,erbium,hint
+4,toppling-rod,answer
+5,solidspressureside,self_check
+5,pressureconst,self_check
+5,idealgasentropy,self_check
+5,heart-efficiency,bare_answer
+5,violin-helmholtz,bare_answer
+6,coilspringvel,self_check
+6,reflenergy,self_check
+6,sonarinvisibility,self_check
+6,wavelosesnergy,self_check
+6,perfectopticalcoating,self_check
+6,passtwice,self_check
+6,asymmpipemodes,self_check
+6,sinwavekinem,hint
+6,lasso,hint
+6,lasso,bare_answer
+6,wave-on-hanging-string,bare_answer
+6,flute,bare_answer
+6,maxtransmission,bare_answer
+6,maxtransmission,bare_answer
+7,gammaatvzero,self_check
+7,doppler-approaching,self_check
+7,unequalcollisioncons,self_check
+7,mass-energy,self_check
+7,rel-vel-addition,answer
+7,angular-defect,answer
+7,tossed-clock,hint
+7,tossed-clock,answer
+8,typesofcharge,self_check
+8,inductionneg,self_check
+8,quantizedmoney,self_check
+8,reversedthomson,self_check
+8,hbindingenergy,self_check
+9,killbattery,self_check
+9,timebetweenelectrons,answer
+9,combine-unequal-resistors,answer
+9,tetrahedron,answer
+9,electrongun,answer
+9,measure-on-printed-circuit,answer
+10,pointchargefield,self_check
+10,pointchargevtoe,self_check
+10,topointerp,self_check
+10,reverseex,self_check
+10,numercapunits,self_check
+10,lrcsigns,self_check
+10,xvqi,self_check
+10,complex-square-root,self_check
+10,represent-as-complex,self_check
+10,caplabel,self_check
+10,influx,self_check
+10,dipolev,hint
+10,screened,answer
+10,estrips,bare_answer
+10,epointinfty,hint
+10,vedgedisk,hint
+10,addition-theorem-for-sine,answer
+10,cube-roots-of-unity,answer
+10,factor-cubic,answer
+11,circularorbitbdirection,self_check
+11,bgauss,self_check
+11,betweenwires,self_check
+11,solenoiddirection,self_check
+11,solenoidell,self_check
+11,solenoidsize,self_check
+11,alternator,self_check
+11,faradayunits,self_check
+11,withdraw-dielectric,self_check
+11,linechargecurrent,bare_answer
+11,forcebetweentwowires,bare_answer
+11,solarconstant,hint
+11,circularcap,hint
+11,timereversalem,answer
+11,timereversalem,answer
+11,timereversalem,hint
+11,biot-savart-spiral,answer
+12,two-reflections-from-same-point,self_check
+12,move-object-laterally,self_check
+12,real-do-and-di,self_check
+12,asymptotes,self_check
+12,index-of-refraction,self_check
+12,lenses-flame,self_check
+12,diffract-around-body,self_check
+12,trough-trough,self_check
+12,single-slit-wavelength,self_check
+12,radio-telescopes,self_check
+12,virtual-image-location,answer
+12,image-combinations,answer
+12,field-of-view,answer
+12,constant-thickness,answer
+12,very-weak-refraction,hint
+12,close-to-focal-length,bare_answer
+13,independence,self_check
+13,rangeofheights,self_check
+13,rate-of-decay-units,self_check
+13,extracth,self_check
+13,longwavelengthelectron,self_check
+13,smallh,self_check
+13,schrodingerassumptions,self_check
+13,walkthroughwall,self_check
+13,angmompicture,self_check
+13,listingatomstates,self_check
+13,kinky-hydrogen,self_check
+0,psychic,self_check
+0,cathode-rays,self_check
+0,operational-definition,self_check
+0,slow-time,self_check
+0,bacteria-queue,self_check
+0,nigeria,self_check
+0,count-sig-figs,self_check
+0,yd2-yd3,self_check
+0,axle-ratios,self_check
+0,mg-to-kg,answer
+0,geometric-mean,answer
+0,triangle-formula,answer
+0,mars-drop-time,answer
+0,dodge-viper,answer
+0,square-mm-to-cm,answer
+0,light-bucket,answer
+0,richter,answer
+0,martini,answer
+0,liter-cube,answer
+0,great-wall,answer
+0,jelly-beans,answer
+1,hoseup,self_check
+1,dxsign,self_check
+1,inertia-counterexamples,self_check
+1,beer,self_check
+1,moneyquantum,self_check
+1,cycloid,answer
+2,cardiag,self_check
+2,boatpower,answer
+2,ratioke,answer
+2,microwave-waste,answer
+2,grasshopper,answer
+2,tightropish,hint
+2,funkyatwood,hint
+2,lennardjones,hint
+2,geosynch,hint
+2,escape2,hint
+2,tides,hint
+2,hangfromspring,hint
+2,pulleyandspring,hint
+2,springsseries,hint
+2,springsseries,bare_answer
+3,gymnastics-wheel,self_check
+3,force-or-not,self_check
+3,frictionnormal,self_check
+3,static-or-kinetic,self_check
+3,find-directions-of-forces,self_check
+3,swing-energy,self_check
+3,compare-damping,self_check
+3,q-is-when-dead,self_check
+3,a-propto-q,self_check
+3,translatefvector,self_check
+3,graphicalscalarmult,self_check
+3,funkosity,answer
+3,twotoonecollision,bare_answer
+3,fridge-recoil,answer
+3,time-to-brake,answer
+3,mass-or-weight,answer
+3,third-law-partners,answer
+3,youngmodulus,answer
+3,maxampatdc,hint
+3,maxampatdc,bare_answer
+3,braginskii,bare_answer
+3,firework,answer
+3,hockey-pucks,answer
+3,baseballrange,bare_answer
+3,baseballrange,bare_answer
+3,baseballrangeair,bare_answer
+3,baseballrangeair,bare_answer
+3,annieoakley,answer
+3,cargoplane,answer
+3,wagon,answer
+3,reposeasteroid,answer
+3,anglebetween,hint
+3,ropeslopes,hint
+4,torque,self_check
+4,thetazero,self_check
+4,omegasigns,self_check
+4,righthanddtheta,self_check
+4,anticommutative,self_check
+4,pliers,answer
+4,tipbox,hint
+4,wheeloverstep,hint
+4,erbium,hint
+4,toppling-rod,answer
+5,solidspressureside,self_check
+5,pressureconst,self_check
+5,idealgasentropy,self_check
+5,heart-efficiency,bare_answer
+5,violin-helmholtz,bare_answer
+6,coilspringvel,self_check
+6,reflenergy,self_check
+6,sonarinvisibility,self_check
+6,wavelosesnergy,self_check
+6,perfectopticalcoating,self_check
+6,passtwice,self_check
+6,asymmpipemodes,self_check
+6,sinwavekinem,hint
+6,lasso,hint
+6,lasso,bare_answer
+6,wave-on-hanging-string,bare_answer
+6,flute,bare_answer
+6,maxtransmission,bare_answer
+6,maxtransmission,bare_answer
+7,gammaatvzero,self_check
+7,doppler-approaching,self_check
+7,unequalcollisioncons,self_check
+7,mass-energy,self_check
+7,rel-vel-addition,answer
+7,angular-defect,answer
+7,tossed-clock,hint
+7,tossed-clock,answer
+8,typesofcharge,self_check
+8,inductionneg,self_check
+8,quantizedmoney,self_check
+8,reversedthomson,self_check
+8,hbindingenergy,self_check
+9,killbattery,self_check
+9,timebetweenelectrons,answer
+9,combine-unequal-resistors,answer
+9,tetrahedron,answer
+9,electrongun,answer
+9,measure-on-printed-circuit,answer
+10,pointchargefield,self_check
+10,pointchargevtoe,self_check
+10,topointerp,self_check
+10,reverseex,self_check
+10,numercapunits,self_check
+10,lrcsigns,self_check
+10,xvqi,self_check
+10,complex-square-root,self_check
+10,represent-as-complex,self_check
+10,caplabel,self_check
+10,influx,self_check
+10,dipolev,hint
+10,screened,answer
+10,estrips,bare_answer
+10,epointinfty,hint
+10,vedgedisk,hint
+10,addition-theorem-for-sine,answer
+10,cube-roots-of-unity,answer
+10,factor-cubic,answer
+11,circularorbitbdirection,self_check
+11,bgauss,self_check
+11,betweenwires,self_check
+11,solenoiddirection,self_check
+11,solenoidell,self_check
+11,solenoidsize,self_check
+11,alternator,self_check
+11,faradayunits,self_check
+11,withdraw-dielectric,self_check
+11,linechargecurrent,bare_answer
+11,forcebetweentwowires,bare_answer
+11,solarconstant,hint
+11,circularcap,hint
+11,timereversalem,answer
+11,timereversalem,answer
+11,timereversalem,hint
+11,biot-savart-spiral,answer
+12,two-reflections-from-same-point,self_check
+12,move-object-laterally,self_check
+12,real-do-and-di,self_check
+12,asymptotes,self_check
+12,index-of-refraction,self_check
+12,lenses-flame,self_check
+12,diffract-around-body,self_check
+12,trough-trough,self_check
+12,single-slit-wavelength,self_check
+12,radio-telescopes,self_check
+12,virtual-image-location,answer
+12,image-combinations,answer
+12,field-of-view,answer
+12,constant-thickness,answer
+12,very-weak-refraction,hint
+12,close-to-focal-length,bare_answer
+13,independence,self_check
+13,rangeofheights,self_check
+13,rate-of-decay-units,self_check
+13,extracth,self_check
+13,longwavelengthelectron,self_check
+13,smallh,self_check
+13,schrodingerassumptions,self_check
+13,walkthroughwall,self_check
+13,angmompicture,self_check
+13,listingatomstates,self_check
+13,kinky-hydrogen,self_check
+0,psychic,self_check
+0,cathode-rays,self_check
+0,operational-definition,self_check
+0,slow-time,self_check
+0,bacteria-queue,self_check
+0,nigeria,self_check
+0,count-sig-figs,self_check
+0,yd2-yd3,self_check
+0,axle-ratios,self_check
+0,mg-to-kg,answer
+0,geometric-mean,answer
+0,triangle-formula,answer
+0,mars-drop-time,answer
+0,dodge-viper,answer
+0,square-mm-to-cm,answer
+0,light-bucket,answer
+0,richter,answer
+0,martini,answer
+0,liter-cube,answer
+0,great-wall,answer
+0,jelly-beans,answer
+1,hoseup,self_check
+1,dxsign,self_check
+1,inertia-counterexamples,self_check
+1,beer,self_check
+1,moneyquantum,self_check
+1,cycloid,answer
+2,cardiag,self_check
+2,boatpower,answer
+2,ratioke,answer
+2,microwave-waste,answer
+2,grasshopper,answer
+2,tightropish,hint
+2,funkyatwood,hint
+2,lennardjones,hint
+2,geosynch,hint
+2,escape2,hint
+2,tides,hint
+2,hangfromspring,hint
+2,pulleyandspring,hint
+2,springsseries,hint
+2,springsseries,bare_answer
+3,gymnastics-wheel,self_check
+3,force-or-not,self_check
+3,frictionnormal,self_check
+3,static-or-kinetic,self_check
+3,find-directions-of-forces,self_check
+3,swing-energy,self_check
+3,compare-damping,self_check
+3,q-is-when-dead,self_check
+3,a-propto-q,self_check
+3,translatefvector,self_check
+3,graphicalscalarmult,self_check
+3,funkosity,answer
+3,twotoonecollision,bare_answer
+3,fridge-recoil,answer
+3,time-to-brake,answer
+3,mass-or-weight,answer
+3,third-law-partners,answer
+3,youngmodulus,answer
+3,maxampatdc,hint
+3,maxampatdc,bare_answer
+3,braginskii,bare_answer
+3,firework,answer
+3,hockey-pucks,answer
+3,baseballrange,bare_answer
+3,baseballrange,bare_answer
+3,baseballrangeair,bare_answer
+3,baseballrangeair,bare_answer
+3,annieoakley,answer
+3,cargoplane,answer
+3,wagon,answer
+3,reposeasteroid,answer
+3,anglebetween,hint
+3,ropeslopes,hint
+4,torque,self_check
+4,thetazero,self_check
+4,omegasigns,self_check
+4,righthanddtheta,self_check
+4,anticommutative,self_check
+4,pliers,answer
+4,tipbox,hint
+4,wheeloverstep,hint
+4,erbium,hint
+4,toppling-rod,answer
+5,solidspressureside,self_check
+5,pressureconst,self_check
+5,idealgasentropy,self_check
+5,heart-efficiency,bare_answer
+5,violin-helmholtz,bare_answer
+6,coilspringvel,self_check
+6,reflenergy,self_check
+6,sonarinvisibility,self_check
+6,wavelosesnergy,self_check
+6,perfectopticalcoating,self_check
+6,passtwice,self_check
+6,asymmpipemodes,self_check
+6,sinwavekinem,hint
+6,lasso,hint
+6,lasso,bare_answer
+6,wave-on-hanging-string,bare_answer
+6,flute,bare_answer
+6,maxtransmission,bare_answer
+6,maxtransmission,bare_answer
+7,gammaatvzero,self_check
+7,doppler-approaching,self_check
+7,unequalcollisioncons,self_check
+7,mass-energy,self_check
+7,rel-vel-addition,answer
+7,angular-defect,answer
+7,tossed-clock,hint
+7,tossed-clock,answer
+8,typesofcharge,self_check
+8,inductionneg,self_check
+8,quantizedmoney,self_check
+8,reversedthomson,self_check
+8,hbindingenergy,self_check
+9,killbattery,self_check
+9,timebetweenelectrons,answer
+9,combine-unequal-resistors,answer
+9,tetrahedron,answer
+9,electrongun,answer
+9,measure-on-printed-circuit,answer
+10,pointchargefield,self_check
+10,pointchargevtoe,self_check
+10,topointerp,self_check
+10,reverseex,self_check
+10,numercapunits,self_check
+10,lrcsigns,self_check
+10,xvqi,self_check
+10,complex-square-root,self_check
+10,represent-as-complex,self_check
+10,caplabel,self_check
+10,influx,self_check
+10,dipolev,hint
+10,screened,answer
+10,estrips,bare_answer
+10,epointinfty,hint
+10,vedgedisk,hint
+10,addition-theorem-for-sine,answer
+10,cube-roots-of-unity,answer
+10,factor-cubic,answer
+11,circularorbitbdirection,self_check
+11,bgauss,self_check
+11,betweenwires,self_check
+11,solenoiddirection,self_check
+11,solenoidell,self_check
+11,solenoidsize,self_check
+11,alternator,self_check
+11,faradayunits,self_check
+11,withdraw-dielectric,self_check
+11,linechargecurrent,bare_answer
+11,forcebetweentwowires,bare_answer
+11,solarconstant,hint
+11,circularcap,hint
+11,timereversalem,answer
+11,timereversalem,answer
+11,timereversalem,hint
+11,biot-savart-spiral,answer
+12,two-reflections-from-same-point,self_check
+12,move-object-laterally,self_check
+12,real-do-and-di,self_check
+12,asymptotes,self_check
+12,index-of-refraction,self_check
+12,lenses-flame,self_check
+12,diffract-around-body,self_check
+12,trough-trough,self_check
+12,single-slit-wavelength,self_check
+12,radio-telescopes,self_check
+12,virtual-image-location,answer
+12,image-combinations,answer
+12,field-of-view,answer
+12,constant-thickness,answer
+12,very-weak-refraction,hint
+12,close-to-focal-length,bare_answer
+13,independence,self_check
+13,rangeofheights,self_check
+13,rate-of-decay-units,self_check
+13,extracth,self_check
+13,longwavelengthelectron,self_check
+13,smallh,self_check
+13,schrodingerassumptions,self_check
+13,walkthroughwall,self_check
+13,angmompicture,self_check
+13,listingatomstates,self_check
+13,kinky-hydrogen,self_check
+0,psychic,self_check
+0,cathode-rays,self_check
+0,operational-definition,self_check
+0,slow-time,self_check
+0,bacteria-queue,self_check
+0,nigeria,self_check
+0,count-sig-figs,self_check
+0,yd2-yd3,self_check
+0,axle-ratios,self_check
+0,mg-to-kg,answer
+0,geometric-mean,answer
+0,triangle-formula,answer
+0,mars-drop-time,answer
+0,dodge-viper,answer
+0,square-mm-to-cm,answer
+0,light-bucket,answer
+0,richter,answer
+0,martini,answer
+0,liter-cube,answer
+0,great-wall,answer
+0,jelly-beans,answer
+1,hoseup,self_check
+1,dxsign,self_check
+1,inertia-counterexamples,self_check
+1,beer,self_check
+1,moneyquantum,self_check
+1,cycloid,answer
+2,cardiag,self_check
+2,boatpower,answer
+2,ratioke,answer
+2,microwave-waste,answer
+2,grasshopper,answer
+2,tightropish,hint
+2,funkyatwood,hint
+2,lennardjones,hint
+2,geosynch,hint
+2,escape2,hint
+2,tides,hint
+2,hangfromspring,hint
+2,pulleyandspring,hint
+2,springsseries,hint
+2,springsseries,bare_answer
+3,gymnastics-wheel,self_check
+3,force-or-not,self_check
+3,frictionnormal,self_check
+3,static-or-kinetic,self_check
+3,find-directions-of-forces,self_check
+3,swing-energy,self_check
+3,compare-damping,self_check
+3,q-is-when-dead,self_check
+3,a-propto-q,self_check
+3,translatefvector,self_check
+3,graphicalscalarmult,self_check
+3,funkosity,answer
+3,twotoonecollision,bare_answer
+3,fridge-recoil,answer
+3,time-to-brake,answer
+3,mass-or-weight,answer
+3,third-law-partners,answer
+3,youngmodulus,answer
+3,maxampatdc,hint
+3,maxampatdc,bare_answer
+3,braginskii,bare_answer
+3,firework,answer
+3,hockey-pucks,answer
+3,baseballrange,bare_answer
+3,baseballrange,bare_answer
+3,baseballrangeair,bare_answer
+3,baseballrangeair,bare_answer
+3,annieoakley,answer
+3,cargoplane,answer
+3,wagon,answer
+3,reposeasteroid,answer
+3,anglebetween,hint
+3,ropeslopes,hint
+4,torque,self_check
+4,thetazero,self_check
+4,omegasigns,self_check
+4,righthanddtheta,self_check
+4,anticommutative,self_check
+4,pliers,answer
+4,tipbox,hint
+4,wheeloverstep,hint
+4,erbium,hint
+4,toppling-rod,answer
+5,solidspressureside,self_check
+5,pressureconst,self_check
+5,idealgasentropy,self_check
+5,heart-efficiency,bare_answer
+5,violin-helmholtz,bare_answer
+6,coilspringvel,self_check
+6,reflenergy,self_check
+6,sonarinvisibility,self_check
+6,wavelosesnergy,self_check
+6,perfectopticalcoating,self_check
+6,passtwice,self_check
+6,asymmpipemodes,self_check
+6,sinwavekinem,hint
+6,lasso,hint
+6,lasso,bare_answer
+6,wave-on-hanging-string,bare_answer
+6,flute,bare_answer
+6,maxtransmission,bare_answer
+6,maxtransmission,bare_answer
+7,gammaatvzero,self_check
+7,doppler-approaching,self_check
+7,unequalcollisioncons,self_check
+7,mass-energy,self_check
+7,rel-vel-addition,answer
+7,angular-defect,answer
+7,tossed-clock,hint
+7,tossed-clock,answer
+8,typesofcharge,self_check
+8,inductionneg,self_check
+8,quantizedmoney,self_check
+8,reversedthomson,self_check
+8,hbindingenergy,self_check
+9,killbattery,self_check
+9,timebetweenelectrons,answer
+9,combine-unequal-resistors,answer
+9,tetrahedron,answer
+9,electrongun,answer
+9,measure-on-printed-circuit,answer
+10,pointchargefield,self_check
+10,pointchargevtoe,self_check
+10,topointerp,self_check
+10,reverseex,self_check
+10,numercapunits,self_check
+10,lrcsigns,self_check
+10,xvqi,self_check
+10,complex-square-root,self_check
+10,represent-as-complex,self_check
+10,caplabel,self_check
+10,influx,self_check
+10,dipolev,hint
+10,screened,answer
+10,estrips,bare_answer
+10,epointinfty,hint
+10,vedgedisk,hint
+10,addition-theorem-for-sine,answer
+10,cube-roots-of-unity,answer
+10,factor-cubic,answer
+11,circularorbitbdirection,self_check
+11,bgauss,self_check
+11,betweenwires,self_check
+11,solenoiddirection,self_check
+11,solenoidell,self_check
+11,solenoidsize,self_check
+11,alternator,self_check
+11,faradayunits,self_check
+11,withdraw-dielectric,self_check
+11,linechargecurrent,bare_answer
+11,forcebetweentwowires,bare_answer
+11,solarconstant,hint
+11,circularcap,hint
+11,timereversalem,answer
+11,timereversalem,answer
+11,timereversalem,hint
+11,biot-savart-spiral,answer
+12,two-reflections-from-same-point,self_check
+12,move-object-laterally,self_check
+12,real-do-and-di,self_check
+12,asymptotes,self_check
+12,index-of-refraction,self_check
+12,lenses-flame,self_check
+12,diffract-around-body,self_check
+12,trough-trough,self_check
+12,single-slit-wavelength,self_check
+12,radio-telescopes,self_check
+12,virtual-image-location,answer
+12,image-combinations,answer
+12,field-of-view,answer
+12,constant-thickness,answer
+12,very-weak-refraction,hint
+12,close-to-focal-length,bare_answer
+13,independence,self_check
+13,rangeofheights,self_check
+13,rate-of-decay-units,self_check
+13,extracth,self_check
+13,longwavelengthelectron,self_check
+13,smallh,self_check
+13,schrodingerassumptions,self_check
+13,walkthroughwall,self_check
+13,angmompicture,self_check
+13,listingatomstates,self_check
+13,kinky-hydrogen,self_check
+0,psychic,self_check
+0,cathode-rays,self_check
+0,operational-definition,self_check
+0,slow-time,self_check
+0,bacteria-queue,self_check
+0,nigeria,self_check
+0,count-sig-figs,self_check
+0,yd2-yd3,self_check
+0,axle-ratios,self_check
+0,mg-to-kg,answer
+0,geometric-mean,answer
+0,triangle-formula,answer
+0,mars-drop-time,answer
+0,dodge-viper,answer
+0,square-mm-to-cm,answer
+0,light-bucket,answer
+0,richter,answer
+0,martini,answer
+0,liter-cube,answer
+0,great-wall,answer
+0,jelly-beans,answer
+1,hoseup,self_check
+1,dxsign,self_check
+1,inertia-counterexamples,self_check
+1,beer,self_check
+1,moneyquantum,self_check
+1,cycloid,answer
+2,cardiag,self_check
+2,boatpower,answer
+2,ratioke,answer
+2,microwave-waste,answer
+2,grasshopper,answer
+2,tightropish,hint
+2,funkyatwood,hint
+2,lennardjones,hint
+2,geosynch,hint
+2,escape2,hint
+2,tides,hint
+2,hangfromspring,hint
+2,pulleyandspring,hint
+2,springsseries,hint
+2,springsseries,bare_answer
+3,gymnastics-wheel,self_check
+3,force-or-not,self_check
+3,frictionnormal,self_check
+3,static-or-kinetic,self_check
+3,find-directions-of-forces,self_check
+3,swing-energy,self_check
+3,compare-damping,self_check
+3,q-is-when-dead,self_check
+3,a-propto-q,self_check
+3,translatefvector,self_check
+3,graphicalscalarmult,self_check
+3,funkosity,answer
+3,twotoonecollision,bare_answer
+3,fridge-recoil,answer
+3,time-to-brake,answer
+3,mass-or-weight,answer
+3,third-law-partners,answer
+3,youngmodulus,answer
+3,maxampatdc,hint
+3,maxampatdc,bare_answer
+3,braginskii,bare_answer
+3,firework,answer
+3,hockey-pucks,answer
+3,baseballrange,bare_answer
+3,baseballrange,bare_answer
+3,baseballrangeair,bare_answer
+3,baseballrangeair,bare_answer
+3,annieoakley,answer
+3,cargoplane,answer
+3,wagon,answer
+3,reposeasteroid,answer
+3,anglebetween,hint
+3,ropeslopes,hint
+4,torque,self_check
+4,thetazero,self_check
+4,omegasigns,self_check
+4,righthanddtheta,self_check
+4,anticommutative,self_check
+4,pliers,answer
+4,tipbox,hint
+4,wheeloverstep,hint
+4,erbium,hint
+4,toppling-rod,answer
+5,solidspressureside,self_check
+5,pressureconst,self_check
+5,idealgasentropy,self_check
+5,heart-efficiency,bare_answer
+5,violin-helmholtz,bare_answer
+6,coilspringvel,self_check
+6,reflenergy,self_check
+6,sonarinvisibility,self_check
+6,wavelosesnergy,self_check
+6,perfectopticalcoating,self_check
+6,passtwice,self_check
+6,asymmpipemodes,self_check
+6,sinwavekinem,hint
+6,lasso,hint
+6,lasso,bare_answer
+6,wave-on-hanging-string,bare_answer
+6,flute,bare_answer
+6,maxtransmission,bare_answer
+6,maxtransmission,bare_answer
+7,gammaatvzero,self_check
+7,doppler-approaching,self_check
+7,unequalcollisioncons,self_check
+7,mass-energy,self_check
+7,rel-vel-addition,answer
+7,angular-defect,answer
+7,tossed-clock,hint
+7,tossed-clock,answer
+8,typesofcharge,self_check
+8,inductionneg,self_check
+8,quantizedmoney,self_check
+8,reversedthomson,self_check
+8,hbindingenergy,self_check
+9,killbattery,self_check
+9,timebetweenelectrons,answer
+9,combine-unequal-resistors,answer
+9,tetrahedron,answer
+9,electrongun,answer
+9,measure-on-printed-circuit,answer
+10,pointchargefield,self_check
+10,pointchargevtoe,self_check
+10,topointerp,self_check
+10,reverseex,self_check
+10,numercapunits,self_check
+10,lrcsigns,self_check
+10,xvqi,self_check
+10,complex-square-root,self_check
+10,represent-as-complex,self_check
+10,caplabel,self_check
+10,influx,self_check
+10,dipolev,hint
+10,screened,answer
+10,estrips,bare_answer
+10,epointinfty,hint
+10,vedgedisk,hint
+10,addition-theorem-for-sine,answer
+10,cube-roots-of-unity,answer
+10,factor-cubic,answer
+11,circularorbitbdirection,self_check
+11,bgauss,self_check
+11,betweenwires,self_check
+11,solenoiddirection,self_check
+11,solenoidell,self_check
+11,solenoidsize,self_check
+11,alternator,self_check
+11,faradayunits,self_check
+11,withdraw-dielectric,self_check
+11,linechargecurrent,bare_answer
+11,forcebetweentwowires,bare_answer
+11,solarconstant,hint
+11,circularcap,hint
+11,timereversalem,answer
+11,timereversalem,answer
+11,timereversalem,hint
+11,biot-savart-spiral,answer
+12,two-reflections-from-same-point,self_check
+12,move-object-laterally,self_check
+12,real-do-and-di,self_check
+12,asymptotes,self_check
+12,index-of-refraction,self_check
+12,lenses-flame,self_check
+12,diffract-around-body,self_check
+12,trough-trough,self_check
+12,single-slit-wavelength,self_check
+12,radio-telescopes,self_check
+12,virtual-image-location,answer
+12,image-combinations,answer
+12,field-of-view,answer
+12,constant-thickness,answer
+12,very-weak-refraction,hint
+12,close-to-focal-length,bare_answer
+13,independence,self_check
+13,rangeofheights,self_check
+13,rate-of-decay-units,self_check
+13,extracth,self_check
+13,longwavelengthelectron,self_check
+13,smallh,self_check
+13,schrodingerassumptions,self_check
+13,walkthroughwall,self_check
+13,angmompicture,self_check
+13,listingatomstates,self_check
+13,kinky-hydrogen,self_check