Merge branch 'openwebwork:main' into master

Author: jpaulterry

.github/workflows/generate-opl-release.yml

@@ -11,7 +11,7 @@ on:
 
 jobs:
   release:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
 
     permissions:
       contents: write
@@ -34,7 +34,7 @@ jobs:
 
       - name: Install Dependencies
         run: |
-          sudo apt-get update && sudo apt-get install -y libdbi-perl libjson-perl libdbd-mariadb-perl
+          sudo apt-get update && sudo apt-get install -y libdbi-perl libjson-perl cpanminus build-essential libmariadb-dev && sudo cpanm install DBD::MariaDB
 
       - name: Verify MariaDB connection
         env:

Contrib/BrockPhysics/College_Physics_Urone/15.Thermodynamics/Carnots_Perfect_Heat_Engine_The_Second_Law_of_Thermodynamics_Restated/NU_U17-15-04-004.pg

@@ -47,15 +47,15 @@ $PAR
 
 $PAR
 
-Steam locomotives have an efficiency of \($eff\)\(\textrm{%}\) and operate with a hot steam temperature of \($temp^{\circ}\textrm{C}\) .
+Steam locomotives have an efficiency of \($eff \, \mathrm{%}\) and operate with a hot steam temperature of \($temp^{\circ}\mathrm{C}\) .
 
 $PAR
 
 a) What would the cold reservoir temperature be if this were a Carnot engine?
 
 $PAR
 
-\{ans_rule(40)\} \(^{\circ}\textrm{C}\)
+\{ans_rule(40)\} \(^{\circ}\mathrm{C}\)
 
 $PAR
 
@@ -70,11 +70,11 @@ BEGIN_TEXT
 
 $PAR
 
-b) What would the maximum efficiency of this steam engine be if its cold reservoir temperature were \($temp2^{\circ}\textrm{C}\)?
+b) What would the maximum efficiency of this steam engine be if its cold reservoir temperature were \($temp2^{\circ}\mathrm{C}\)?
 
 $PAR
 
-\{ans_rule(40)\} \(\textrm{%}\)
+\{ans_rule(40)\} \(\mathrm{%}\)
 
 $PAR
 
@@ -85,4 +85,4 @@ Context() -> normalStrings;
 ANS(num_cmp("$A2"));
 
 
-ENDDOCUMENT()
+ENDDOCUMENT()

Contrib/BrockPhysics/College_Physics_Urone/17.Physics_of_Hearing/17-04.Doppler_Effect/NU_U17_17_04_001.pg

@@ -50,10 +50,10 @@ $PAR
 
 
 a) What frequency is received by a person watching an oncoming ambulance moving
-at \($vskm \, \(\textrm{km/h}\) and emitting a steady \($fs \, \(\textrm{Hz}\) sound from its siren? The speed of sound on this day is \($vw \, \(\textrm{m/s}\).
+at \($vskm \, \mathrm{km/h}\) and emitting a steady \($fs \, \mathrm{Hz}\) sound from its siren? The speed of sound on this day is \($vw \, \mathrm{m/s}\).
 $PAR
 
-\{ans_rule(40)\} \(\textrm{Hz}\)
+\{ans_rule(40)\} \(\mathrm{Hz}\)
 
 $PAR
 END_TEXT
@@ -64,7 +64,7 @@ BEGIN_TEXT
 b) What frequency does she receive after the ambulance has passed?
 $PAR
 
-\{ans_rule(40)\} \(\textrm{Hz}\)
+\{ans_rule(40)\} \(\mathrm{Hz}\)
 
 $PAR
 END_TEXT
@@ -76,4 +76,4 @@ How does the perceived sound change when the ambulance is approaching versus whe
 END_HINT
 Context()->normalStrings;
 
-ENDDOCUMENT()
+ENDDOCUMENT()

Contrib/BrockPhysics/College_Physics_Urone/17.Physics_of_Hearing/17-04.Doppler_Effect/NU_U17_17_04_002.pg

@@ -48,11 +48,11 @@ $PAR
 
 
 
-a) At an air show a jet flies directly toward the stands at a speed of \($vskm \, \(\textrm{km/h}\),
-emitting a frequency of \($fs \, \(\textrm{Hz}\), on a day when the speed of sound is \($vw \, \(\textrm{m/s}\). What frequency is received by the observers? 
+a) At an air show a jet flies directly toward the stands at a speed of \($vskm \, \mathrm{km/h}\),
+emitting a frequency of \($fs \, \mathrm{Hz}\), on a day when the speed of sound is \($vw \, \mathrm{m/s}\). What frequency is received by the observers?
 $PAR
 
-\{ans_rule(40)\} \(\textrm{Hz}\)
+\{ans_rule(40)\} \(\mathrm{Hz}\)
 
 $PAR
 END_TEXT
@@ -64,7 +64,7 @@ b) What frequency do they receive as the plane flies directly away from them?
 $BR
 $BR
 
-\{ans_rule(40)\} \(\textrm{Hz}\)
+\{ans_rule(40)\} \(\mathrm{Hz}\)
 
 $PAR
 END_TEXT
@@ -76,4 +76,4 @@ How does the perceived sound change when the jet is approaching versus when it h
 END_HINT
 Context()->normalStrings;
 
-ENDDOCUMENT()
+ENDDOCUMENT()

Contrib/BrockPhysics/College_Physics_Urone/17.Physics_of_Hearing/17-04.Doppler_Effect/NU_U17_17_04_003.pg

@@ -47,11 +47,11 @@ $PAR
 
 
 What frequency is received by a mouse just before being dispatched by a hawk flying
-at it at \($vs \, \(\textrm{m/s}\) and emitting a screech of frequency \($fs \, \(\textrm{Hz}\)? Take the speed of
-sound to be \($vw \, \(\textrm{m/s}\).
+at it at \($vs \, \mathrm{m/s}\) and emitting a screech of frequency \($fs \, \mathrm{Hz}\)? Take the speed of
+sound to be \($vw \, \mathrm{m/s}\).
 $PAR
 
-\{ans_rule(40)\} \(\textrm{Hz}\)
+\{ans_rule(40)\} \(\mathrm{Hz}\)
 
 $PAR
 END_TEXT
@@ -64,4 +64,4 @@ END_HINT
 Context()->normalStrings;
 
 
-ENDDOCUMENT()
+ENDDOCUMENT()

Contrib/BrockPhysics/College_Physics_Urone/17.Physics_of_Hearing/17-04.Doppler_Effect/NU_U17_17_04_004.pg

@@ -46,12 +46,12 @@ $PAR
 
 
 
-A spectator at a parade receives an \($fobs \, \(\textrm{Hz}\) tone from an oncoming trumpeter who is
-playing an \($fs \, \(\textrm{Hz}\) note. At what speed is the musician approaching if the speed of
-sound is \($vw \, \(\textrm{m/s}\)?
+A spectator at a parade receives an \($fobs \, \mathrm{Hz}\) tone from an oncoming trumpeter who is
+playing an \($fs \, \mathrm{Hz}\) note. At what speed is the musician approaching if the speed of
+sound is \($vw \, \mathrm{m/s}\)?
 $PAR
 
-\{ans_rule(40)\} \(\textrm{m/s}\)
+\{ans_rule(40)\} \(\mathrm{m/s}\)
 $PAR
 END_TEXT
 
@@ -62,4 +62,4 @@ This question requires you to rearrange the formula used for the Doppler effect.
 END_HINT
 Context()->normalStrings;
 
-ENDDOCUMENT()
+ENDDOCUMENT()

Contrib/BrockPhysics/College_Physics_Urone/17.Physics_of_Hearing/17-04.Doppler_Effect/NU_U17_17_04_005.pg

@@ -44,14 +44,14 @@ BEGIN_TEXT
 <strong>If you don't solve this problem correctly in $showHint tries, you can get a hint.</strong>
 
 $PAR
-A commuter train blows its \($fs \, \(\textrm{Hz}\) horn as it approaches a crossing. The speed of
-sound is \($vw \, \(\textrm{m/s}\). 
+A commuter train blows its \($fs \, \mathrm{Hz}\) horn as it approaches a crossing. The speed of
+sound is \($vw \, \mathrm{m/s}\).
 $PAR
-a) An observer waiting at the crossing receives a frequency of \($fobs \, \(\textrm{Hz}\). What is the speed of the train? 
+a) An observer waiting at the crossing receives a frequency of \($fobs \, \mathrm{Hz}\). What is the speed of the train?
 $PAR
 
 
-\{ans_rule(40)\} \(\textrm{m/s}\)
+\{ans_rule(40)\} \(\mathrm{m/s}\)
 $PAR
 END_TEXT
 
@@ -60,7 +60,7 @@ ANS(num_cmp("$vs"));
 BEGIN_TEXT
 b) What frequency does the observer receive as the train moves away?
 $PAR
-\{ans_rule(40)\} \(\textrm{Hz}\)
+\{ans_rule(40)\} \(\mathrm{Hz}\)
 $PAR
 END_TEXT
 
@@ -73,4 +73,4 @@ Context()->normalStrings;
 
 
 
-ENDDOCUMENT()
+ENDDOCUMENT()

Contrib/BrockPhysics/College_Physics_Urone/17.Physics_of_Hearing/17-04.Doppler_Effect/NU_U17_17_04_006.pg

@@ -42,7 +42,7 @@ BEGIN_TEXT
 <strong>If you don't solve this problem correctly in $showHint tries, you can get a hint.</strong>
 
 $PAR
-Calculate the factor by which the frequency shifts produced when you pull a tuning fork toward you at \($vs \, \(\textrm{m/s}\) on a day when the speed of sound is \($vw \, \(\textrm{m/s}\)? 
+Calculate the factor by which the frequency shifts produced when you pull a tuning fork toward you at \($vs \, \mathrm{m/s}\) on a day when the speed of sound is \($vw \, \mathrm{m/s}\)?
 $PAR
 
 \{ans_rule(40)\} 
@@ -58,4 +58,4 @@ Context()->normalStrings;
 
 
 
-ENDDOCUMENT()
+ENDDOCUMENT()

Contrib/BrockPhysics/College_Physics_Urone/17.Physics_of_Hearing/17-04.Doppler_Effect/NU_U17_17_04_007.pg

@@ -45,10 +45,10 @@ BEGIN_TEXT
 <strong>If you don't solve this problem correctly in $showHint tries, you can get a hint.</strong>
 
 $PAR
-Two eagles fly directly toward one another, the first at \($vo1 \, \(\textrm{m/s}\) and the second at \($vo2 \, \(\textrm{m/s}\). Both screech, the first one emitting a frequency of \($fs1 \, \(\textrm{Hz}\) and the second one emitting a frequency of \($fs2 \, \(\textrm{Hz}\). What frequency does the first eagle receive if the speed of sound is \($vw \, \(\textrm{m/s}\)?
+Two eagles fly directly toward one another, the first at \($vo1 \, \mathrm{m/s}\) and the second at \($vo2 \, \mathrm{m/s}\). Both screech, the first one emitting a frequency of \($fs1 \, \mathrm{Hz}\) and the second one emitting a frequency of \($fs2 \, \mathrm{Hz}\). What frequency does the first eagle receive if the speed of sound is \($vw \, \mathrm{m/s}\)?
 $PAR
 
-\{ans_rule(40)\} \(\textrm{Hz}\)
+\{ans_rule(40)\} \(\mathrm{Hz}\)
 $PAR
 END_TEXT
 
@@ -58,7 +58,7 @@ BEGIN_TEXT
 b) What frequency does the second eagle?
 $PAR
 
-\{ans_rule(40)\} \(\textrm{Hz}\)
+\{ans_rule(40)\} \(\mathrm{Hz}\)
 $PAR
 END_TEXT
 
@@ -70,4 +70,4 @@ END_HINT
 Context()->normalStrings;
 
 
-ENDDOCUMENT()
+ENDDOCUMENT()

Contrib/BrockPhysics/College_Physics_Urone/17.Physics_of_Hearing/17-04.Doppler_Effect/NU_U17_17_04_008.pg

@@ -43,10 +43,10 @@ BEGIN_TEXT
 $PAR
 What is the minimum speed at which a source must travel toward you for you to be
 able to hear that its frequency is Doppler shifted? That is, what speed produces a shift
-of \(0.300 \, \(\textrm{%}\) on a day when the speed of sound is \($vw \, \(\textrm{m/s}\)?
+of \(0.300 \, \mathrm{%}\) on a day when the speed of sound is \($vw \, \mathrm{m/s}\)?
 $PAR
 
-\{ans_rule(40)\} \(\textrm{m/s}\)
+\{ans_rule(40)\} \(\mathrm{m/s}\)
 $PAR
 END_TEXT
 
@@ -58,4 +58,4 @@ END_HINT
 Context()->normalStrings;
 
 
-ENDDOCUMENT()
+ENDDOCUMENT()