The rebound coefficient between a tennis ball and a racket

Last updated: 6/24/2023

The rebound coefficient between a tennis ball and a racket is defined as v v where v is the incoming speed of the ball and v he speed of the ball after rebound while the racket is at rest A tennis ball falls from height H to a racket at rest and bounces back to 0 A tennis player is using the racket to hit an incoming tennis ball traveling at 150 km hr and the racket is moving at 100 km hr What is he speed of the ball after being hit Assume the mass of the racket that of the ball