98  Conway—On the Reflection of Electric Waves by a Moving Plane Conductor. 
For example, if /(¢) = asin pi, 
then 
Go.  ¢ 
T= t— 7 on pt, 
so that 
¢= &+ A, sin mpé 
—— n V >) 
where 
2 pu 
Al, = np J, @ ) 
and substituting for ¢ in — F[Vt+/(4)], we get the value of ¢, (¢). 
