Correct typos in S&J 8, prob 2.11

[course.git] / latex / problems / Serway_and_Jewett_8 / problem02.11.tex

diff --git a/latex/problems/Serway_and_Jewett_8/problem02.11.tex b/latex/problems/Serway_and_Jewett_8/problem02.11.tex
index e097bd5801bf07ca279e6ce9ce0ac0c57c731585..082fbfe0b007bff443db24f9f2960a3797241a47 100644 (file)
--- a/latex/problems/Serway_and_Jewett_8/problem02.11.tex
+++ b/latex/problems/Serway_and_Jewett_8/problem02.11.tex
@@ -76,13 +76,13 @@ The hare is running for
 \end{equation}
 The tortoise is running for
 \begin{equation}
-  t_\text{t,run} = \frac{L}{v_\text{h}}
+  t_\text{t,run} = \frac{L}{v_\text{t}}
 \end{equation}
 and the tortoise is running for the whole race, so the hare pauses for
 \begin{align}
   t_\text{h,pause} &= t_\text{t,run} - t_\text{h,run}
-    = \frac{L}{v_\text{h}} - \frac{L}{v_\text{h}}
-    = \frac{1.00\U{km}}{8.00\U{m/s}} - \frac{1.00\U{km}}{0.200\U{m/s}} \\
+    = \frac{L}{v_\text{t}} - \frac{L}{v_\text{h}}
+    = \frac{1.00\U{km}}{0.200\U{m/s}} - \frac{1.00\U{km}}{8.00\U{m/s}} \\
     &= \ans{4.88\U{ks}} = 1.35\U{hours}
 \end{align}
 \end{solution}