\begin{problem*}{29.40}
-Consider the system pictured in Figure P29.40. A $15.0\U{cm}$
+Consider the system pictured in Figure~P29.40. A $15.0\U{cm}$
horizontal wire of mass $15.0\U{g}$ is placed between two thin,
vertical conductors, and a uniform magnetic field acts perpendicular
to the page. The wire is free to move vertically without friction on