A tennis player receives a shot with the ball (0.0600 kg) traveling horizontally at 56.0 m/s and returns the shot with the ball traveling horizontally at 42.0 m/s in the opposite direction.
(a) What is the impulse delivered to the ball by the racket?
N · s (direction postive or negative x?)
(b) What work does the racket do on the ball?
J