Propose fix typos and trim trailing whitespace

Contrib/AlfredUniv/anton8e/chapter2/2.3/prob1.pg

@@ -13,7 +13,7 @@
 
 ## DBsubject('Calculus')
 ## DBchapter('Limits and Derivatives')
-## DBsection('Limts at Infinity; Horizontal Asymptotes')
+## DBsection('Limits at Infinity; Horizontal Asymptotes')
 ## Date('6/7/2008')
 ## Author('Addison Frey')
 ## Institution('Alfred University')
@@ -33,7 +33,7 @@ loadMacros(
   "MathObjects.pl",
   "PGcourse.pl"
 );
- 
+
 ## Show partial correct answers
 $showPartialCorrectAnswers = 1;
 ## Display the problem information
@@ -84,4 +84,3 @@ ANS(num_cmp($ans3, strings=>["I", "-I", "DNE"]));
 ANS(num_cmp($ans4, strings=>["I", "-I", "DNE"]));
 
 ENDDOCUMENT();
-

Contrib/AlfredUniv/anton8e/chapter2/2.3/prob11.pg

@@ -13,7 +13,7 @@
 
 ## DBsubject('Calculus')
 ## DBchapter('Limits and Derivatives')
-## DBsection('Limts at Infinity; Horizontal Asymptotes')
+## DBsection('Limits at Infinity; Horizontal Asymptotes')
 ## Date('6/10/2008')
 ## Author('Addison Frey')
 ## Institution('Alfred University')
@@ -33,7 +33,7 @@ loadMacros(
   "MathObjects.pl",
   "PGcourse.pl"
 );
- 
+
 ## Show partial correct answers
 $showPartialCorrectAnswers = 1;
 ## Display the problem information
@@ -72,4 +72,3 @@ ANS(num_cmp($ans1, strings=>["I", "-I", "DNE"]));
 
 
 ENDDOCUMENT();
-

Contrib/AlfredUniv/anton8e/chapter2/2.3/prob12.pg

@@ -13,7 +13,7 @@
 
 ## DBsubject('Calculus')
 ## DBchapter('Limits and Derivatives')
-## DBsection('Limts at Infinity; Horizontal Asymptotes')
+## DBsection('Limits at Infinity; Horizontal Asymptotes')
 ## Date('6/10/2008')
 ## Author('Addison Frey')
 ## Institution('Alfred University')
@@ -33,7 +33,7 @@ loadMacros(
   "MathObjects.pl",
   "PGcourse.pl"
 );
- 
+
 ## Show partial correct answers
 $showPartialCorrectAnswers = 1;
 ## Display the problem information
@@ -73,4 +73,3 @@ ANS(num_cmp($ans1, strings=>["I", "-I", "DNE"]));
 
 
 ENDDOCUMENT();
-

Contrib/AlfredUniv/anton8e/chapter2/2.3/prob13.pg

@@ -13,7 +13,7 @@
 
 ## DBsubject('Calculus')
 ## DBchapter('Limits and Derivatives')
-## DBsection('Limts at Infinity; Horizontal Asymptotes')
+## DBsection('Limits at Infinity; Horizontal Asymptotes')
 ## Date('6/10/2008')
 ## Author('Addison Frey')
 ## Institution('Alfred University')
@@ -33,7 +33,7 @@ loadMacros(
   "MathObjects.pl",
   "PGcourse.pl"
 );
- 
+
 ## Show partial correct answers
 $showPartialCorrectAnswers = 1;
 ## Display the problem information
@@ -73,4 +73,3 @@ ANS(num_cmp($ans1, strings=>["I", "-I", "DNE"]));
 
 
 ENDDOCUMENT();
-

Contrib/AlfredUniv/anton8e/chapter2/2.3/prob14.pg

@@ -13,7 +13,7 @@
 
 ## DBsubject('Calculus')
 ## DBchapter('Limits and Derivatives')
-## DBsection('Limts at Infinity; Horizontal Asymptotes')
+## DBsection('Limits at Infinity; Horizontal Asymptotes')
 ## Date('6/10/2008')
 ## Author('Addison Frey')
 ## Institution('Alfred University')
@@ -33,7 +33,7 @@ loadMacros(
   "MathObjects.pl",
   "PGcourse.pl"
 );
- 
+
 ## Show partial correct answers
 $showPartialCorrectAnswers = 1;
 ## Display the problem information
@@ -73,4 +73,3 @@ ANS(num_cmp($ans1, strings=>["I", "-I", "DNE"]));
 
 
 ENDDOCUMENT();
-

Contrib/AlfredUniv/anton8e/chapter2/2.3/prob2.pg

@@ -13,7 +13,7 @@
 
 ## DBsubject('Calculus')
 ## DBchapter('Limits and Derivatives')
-## DBsection('Limts at Infinity; Horizontal Asymptotes')
+## DBsection('Limits at Infinity; Horizontal Asymptotes')
 ## Date('6/7/2008')
 ## Author('Addison Frey')
 ## Institution('Alfred University')
@@ -33,7 +33,7 @@ loadMacros(
   "MathObjects.pl",
   "PGcourse.pl"
 );
- 
+
 ## Show partial correct answers
 $showPartialCorrectAnswers = 1;
 ## Display the problem information
@@ -72,4 +72,3 @@ ANS(num_cmp($ans1, strings=>["I", "-I", "DNE"]));
 
 
 ENDDOCUMENT();
-

Contrib/AlfredUniv/anton8e/chapter2/2.3/prob3.pg

@@ -13,7 +13,7 @@
 
 ## DBsubject('Calculus')
 ## DBchapter('Limits and Derivatives')
-## DBsection('Limts at Infinity; Horizontal Asymptotes')
+## DBsection('Limits at Infinity; Horizontal Asymptotes')
 ## Date('6/7/2008')
 ## Author('Addison Frey')
 ## Institution('Alfred University')
@@ -33,7 +33,7 @@ loadMacros(
   "MathObjects.pl",
   "PGcourse.pl"
 );
- 
+
 ## Show partial correct answers
 $showPartialCorrectAnswers = 1;
 ## Display the problem information
@@ -71,4 +71,3 @@ ANS(num_cmp($ans1, strings=>["I", "-I", "DNE"]));
 
 
 ENDDOCUMENT();
-

Contrib/AlfredUniv/anton8e/chapter2/2.3/prob4.pg

@@ -13,7 +13,7 @@
 
 ## DBsubject('Calculus')
 ## DBchapter('Limits and Derivatives')
-## DBsection('Limts at Infinity; Horizontal Asymptotes')
+## DBsection('Limits at Infinity; Horizontal Asymptotes')
 ## Date('6/7/2008')
 ## Author('Addison Frey')
 ## Institution('Alfred University')
@@ -33,7 +33,7 @@ loadMacros(
   "MathObjects.pl",
   "PGcourse.pl"
 );
- 
+
 ## Show partial correct answers
 $showPartialCorrectAnswers = 1;
 ## Display the problem information
@@ -73,4 +73,3 @@ ANS(num_cmp($ans1, strings=>["I", "-I", "DNE"]));
 
 
 ENDDOCUMENT();
-

Contrib/AlfredUniv/anton8e/chapter2/2.3/prob8.pg

@@ -13,7 +13,7 @@
 
 ## DBsubject('Calculus')
 ## DBchapter('Limits and Derivatives')
-## DBsection('Limts at Infinity; Horizontal Asymptotes')
+## DBsection('Limits at Infinity; Horizontal Asymptotes')
 ## Date('6/7/2008')
 ## Author('Addison Frey')
 ## Institution('Alfred University')
@@ -33,7 +33,7 @@ loadMacros(
   "MathObjects.pl",
   "PGcourse.pl"
 );
- 
+
 ## Show partial correct answers
 $showPartialCorrectAnswers = 1;
 ## Display the problem information
@@ -72,4 +72,3 @@ ANS(num_cmp($ans1, strings=>["I", "-I", "DNE"]));
 
 
 ENDDOCUMENT();
-

Contrib/AlfredUniv/anton8e/chapter2/2.3/prob9.pg

@@ -13,7 +13,7 @@
 
 ## DBsubject('Calculus')
 ## DBchapter('Limits and Derivatives')
-## DBsection('Limts at Infinity; Horizontal Asymptotes')
+## DBsection('Limits at Infinity; Horizontal Asymptotes')
 ## Date('6/10/2008')
 ## Author('Addison Frey')
 ## Institution('Alfred University')
@@ -33,7 +33,7 @@ loadMacros(
   "MathObjects.pl",
   "PGcourse.pl"
 );
- 
+
 ## Show partial correct answers
 $showPartialCorrectAnswers = 1;
 ## Display the problem information
@@ -72,4 +72,3 @@ ANS(num_cmp($ans1, strings=>["I", "-I", "DNE"]));
 
 
 ENDDOCUMENT();
-

Contrib/BrockPhysics/College_Physics_Urone/12.Fluid_Dynamics_and_Medical_Applications/12-04.Viscosity_and_Laminar_Flow.Poiseuilles_Law/NU_U17_12_04_011.pg

@@ -61,12 +61,12 @@ $PAR
 
 END_TEXT
 BEGIN_HINT
-Begin by identifying the forces acting on the ball thorugh its descent (there are three). Recall that an object falls at its terminal speed when there is no longer an imbalance of forces in the vertical direction, and recall further that the drag force on an object in a medium denser than air is given by Stokes's law.
+Begin by identifying the forces acting on the ball through its descent (there are three). Recall that an object falls at its terminal speed when there is no longer an imbalance of forces in the vertical direction, and recall further that the drag force on an object in a medium denser than air is given by Stokes's law.
 END_HINT
 
 Context() -> normalStrings;
 
 ANS(num_cmp("$n"));
 
 
-ENDDOCUMENT()
+ENDDOCUMENT()

Contrib/BrockPhysics/College_Physics_Urone/13.Temperature_Kinetic_Theory_and_the_Gas_Laws/The_Ideal_Gas_Law/NU_U17-13-03-006.pg

@@ -83,7 +83,7 @@ $PAR
 
 END_TEXT
 BEGIN_HINT
-Can you solve for the number of molecules per cubic micrometre using dimensional analsyis and your answer to part (a) above?
+Can you solve for the number of molecules per cubic micrometre using dimensional analysis and your answer to part (a) above?
 END_HINT
 
 ANS(num_cmp("$NVum"));
@@ -110,4 +110,4 @@ Context() -> normalStrings;
 ANS(num_cmp("$distanceum"));
 
 
-ENDDOCUMENT()
+ENDDOCUMENT()

Contrib/BrockPhysics/College_Physics_Urone/14.Heat_and_Heat_Transfer/14-02.Temperature_and_Change/NU_U17_14_02_007.pg

@@ -55,12 +55,12 @@ $PAR
 
 END_TEXT
 BEGIN_HINT
-Can you express the temperature change as independant functions of the masses of copper and water? If so, you can equate and rearrange these equations.
+Can you express the temperature change as independent functions of the masses of copper and water? If so, you can equate and rearrange these equations.
 END_HINT
 
 Context() -> normalStrings;
 
 ANS(num_cmp("$ratio"));
 
 
-ENDDOCUMENT()
+ENDDOCUMENT()

Contrib/BrockPhysics/College_Physics_Urone/14.Heat_and_Heat_Transfer/14-03.Phase_Change/NU_U17_14_03_009.pg

@@ -40,8 +40,8 @@ $T2 = random(90,99,1);
 $T1 = random(40,49,1);
 $T = $T2-$T1;
 $Lv = 2340;
-$M = ($T/$Lv)*((($mg*10**-3)*$cg)+(($mc*10**-3)*$cc));   #Don't bother converting Lv - you will 
-                                                                                            #mulitply and divide by 1000 to find grams.
+$M = ($T/$Lv)*((($mg*10**-3)*$cg)+(($mc*10**-3)*$cc));   #Don't bother converting Lv - you will
+                                                         #multiply and divide by 1000 to find grams.
 
 Context() -> texStrings;
 BEGIN_TEXT
@@ -71,4 +71,4 @@ Context() -> normalStrings;
 ANS(num_cmp("$M"));
 
 
-ENDDOCUMENT()
+ENDDOCUMENT()

Contrib/BrockPhysics/College_Physics_Urone/14.Heat_and_Heat_Transfer/14-03.Phase_Change/NU_U17_14_03_013.pg

@@ -42,14 +42,14 @@ $T = 25;
 $Q = ($mal*$cal*$T)+($ms*$cs*$T);     #heat removed to bring soup and aluminum to zero Celsius
 $Q1 = ($ms*$Lf)+$Q;                            #heat removed to freeze soup
 $Q11 = 377000-$Q1;                            #heat remaining to further cool aluminum and frozen soup
-$Tf = (-$Q11)/(($mal*$cal)+($ms*$ci)); 
+$Tf = (-$Q11)/(($mal*$cal)+($ms*$ci));
 
 Context() -> texStrings;
 BEGIN_TEXT
 
 $PAR
 
-<b>If you do not answer this probelm correctly in $showHint attempts, you can get a hint.</b>
+<b>If you do not answer this problem correctly in $showHint attempts, you can get a hint.</b>
 
 $PAR
 
@@ -71,4 +71,4 @@ Context() -> normalStrings;
 ANS(num_cmp("$Tf"));
 
 
-ENDDOCUMENT()
+ENDDOCUMENT()

Contrib/BrockPhysics/College_Physics_Urone/19.Electric_Potential_and_Electric_Field/19-01.Electric_Potential_Energy_Potential_Difference/NU_U17_19_01_008.pg

@@ -66,7 +66,7 @@ $PAR
 
 $PAR
 
-<b>Integrated Concepts:</b> A \($voltage\) \(\textrm{V}\) battery-operated bottle warmer heats \($massglass\) \(\textrm{g}\) of glass, \($masswater \times 10^{2}\) \(\textrm{g}\) of baby formula, and \($massalu \times 10^{2}\) \(\textrm{g}\) of aluminum from \($temp1^{\circ}\textrm{C}\) to \($temp2^{\circ}\textrm{C}\). Assume the baby forumula has the same thermal properties as water.
+<b>Integrated Concepts:</b> A \($voltage\) \(\textrm{V}\) battery-operated bottle warmer heats \($massglass\) \(\textrm{g}\) of glass, \($masswater \times 10^{2}\) \(\textrm{g}\) of baby formula, and \($massalu \times 10^{2}\) \(\textrm{g}\) of aluminum from \($temp1^{\circ}\textrm{C}\) to \($temp2^{\circ}\textrm{C}\). Assume the baby formula has the same thermal properties as water.
 
 $PAR
 
@@ -107,4 +107,4 @@ Context() -> normalStrings;
 ANS(num_cmp("$electrons"));
 
 
-ENDDOCUMENT()
+ENDDOCUMENT()

Contrib/BrockPhysics/College_Physics_Urone/21.Circuits_and_DC_Instruments/21-06.DC_Circuits_Containing_Resistors_and_Capacitors/NU_U17_21_06_010.pg

@@ -48,7 +48,7 @@ BEGIN_TEXT
 $PAR
 $PAR
 
-<b>If you do not answer this question correctly in $showHint attampts, you can get a hint.</b>
+<b>If you do not answer this question correctly in $showHint attempts, you can get a hint.</b>
 
 $PAR
 $PAR
@@ -73,4 +73,4 @@ Context() -> normalStrings;
 ANS(num_cmp("$timeSI"));
 
 
-ENDDOCUMENT()
+ENDDOCUMENT()

Contrib/BrockPhysics/College_Physics_Urone/23.Electromagnetic_Induction_AC_Circuits_and_Electrical_Technologies/23-10.RL_Circuits/NU_U17_23_10_009.pg

@@ -49,7 +49,7 @@ BEGIN_TEXT
 $PAR
 $PAR
 
-<b>If you do not answer this question corrently in $showHint attempts, you can get a hint.</b>
+<b>If you do not answer this question currently in $showHint attempts, you can get a hint.</b>
 
 $PAR
 $PAR
@@ -74,4 +74,4 @@ Context() -> normalStrings;
 ANS(num_cmp("$time"));
 
 
-ENDDOCUMENT()
+ENDDOCUMENT()

Contrib/BrockPhysics/College_Physics_Urone/25.Geometric_Optics/Dispersion_The_Rainbow_and_Prisms/NU_U17-25-05-008.pg

@@ -41,7 +41,7 @@ $theta_exit_violet_degrees = 55.23200585;
 
 Context() -> texStrings;
 BEGIN_TEXT
-\{ image( "NU_U17-25-05-008.png", width=>571, height=>307,  
+\{ image( "NU_U17-25-05-008.png", width=>571, height=>307,
 tex_size=>700, extra_html_tags=>'alt="Prismatic Refraction"' ) \}
 
 $PAR
@@ -68,7 +68,7 @@ $PAR
 
 END_TEXT
 BEGIN_HINT
-Using geometry, can you relate the angle at which the light refracts <i>into</i> the prism (caluclated with Snell's law) to that at which it exits? It is imperative you work from a clear, precise diagram - do not be afraid to use a protractor. As a jumping-off point, try extending down the normals to the prism/light interfaces (one is shown in the figure - the dotted line) and measuring the angle formed by their intersection. What do you notice?
+Using geometry, can you relate the angle at which the light refracts <i>into</i> the prism (calculated with Snell's law) to that at which it exits? It is imperative you work from a clear, precise diagram - do not be afraid to use a protractor. As a jumping-off point, try extending down the normals to the prism/light interfaces (one is shown in the figure - the dotted line) and measuring the angle formed by their intersection. What do you notice?
 END_HINT
 
 Context() -> normalStrings;
@@ -77,4 +77,4 @@ ANS(num_cmp("$theta_red_exit_degrees"));
 ANS(num_cmp("$theta_violet_exit_degrees"));
 
 
-ENDDOCUMENT()
+ENDDOCUMENT()