Solution Found!
A tennis player swings her 1000 g racket with a speed of
Chapter 9, Problem 27P(choose chapter or problem)
Problem 27P
A tennis player swings her 1000 g racket with a speed of 10 m/s. She hits a 60 g tennis ball that was approaching her at a speed of 20 m/s. The ball rebounds at 40 m/s.
a. How fast is her racket moving immediately after the impact? You can ignore the interaction of the racket with her hand for the brief duration of the collision.
b. If the tennis ball and racket are in contact for 10 ms, what is the average force that the racket exerts on the ball?
Questions & Answers
QUESTION:
Problem 27P
A tennis player swings her 1000 g racket with a speed of 10 m/s. She hits a 60 g tennis ball that was approaching her at a speed of 20 m/s. The ball rebounds at 40 m/s.
a. How fast is her racket moving immediately after the impact? You can ignore the interaction of the racket with her hand for the brief duration of the collision.
b. If the tennis ball and racket are in contact for 10 ms, what is the average force that the racket exerts on the ball?
ANSWER:
Step 1 of 4
In this problem, for a tennis player swinging her racket, we need to find (a) The speed of the racket moving. (b) The force of the racket, exerted on the ball.