Add begin{solution} to Serway and Jewett v4's problem 5.23.

diff --git a/latex/problems/Serway_and_Jewett_4/problem05.23.tex b/latex/problems/Serway_and_Jewett_4/problem05.23.tex
index 6adbf76ba421cfba4ea25ebd0c34fa67039af90c..79ad78a00b06edef06266b361d00525e69defe3a 100644 (file)
--- a/latex/problems/Serway_and_Jewett_4/problem05.23.tex
+++ b/latex/problems/Serway_and_Jewett_4/problem05.23.tex
@@ -4,6 +4,7 @@ $r=1.00\U{m}$.  What is the minimum speed of the pail, upside down at
 the top of the circle, if no water is to spill out?
 \end{problem*} % problem 5.23
 
+\begin{solution}
 At the critical low speed, all of the centerward acceleration comes
 from gravity (no tension/normal force, like Chapter 5, Problem 47 from
 recitation).  So