A tennis player moves to and fro her 1000 g racket with a speed of 8.00. She strikes a 60 g tennis ball which was approaching her at a speed of 20.0. The ball rebounds at 45.0.
Explain how fast is her racket moving instantly after the impact? You can avoid the interaction of the racket with her hand for the brief period of the collision.
When the tennis ball and racket are in contact for 5.00, determine the average force which the racket applies on the ball?