A tennis player receives a shot with the ball (0.0631 kg) traveling horizontally at 53.7 m/s and returns the shot with the ball traveling horizontally 40.5 m/s in the opposite direction.

a. What is the impulse delivered to the ball by the racquet?

b. What work does the racquet do on the ball?

Question

Physics

Beckham Rios

2 September, 18:27

A tennis player receives a shot with the ball (0.0631 kg) traveling horizontally at 53.7 m/s and returns the shot with the ball traveling horizontally 40.5 m/s in the opposite direction.

a. What is the impulse delivered to the ball by the racquet?

b. What work does the racquet do on the ball?

+4

Answers (1)

Know the Answer?

Asher Bonilla · Answer 1

Impulse = change in momentum

= m (v - u)

=.0631 (40.5 + 53.7)

= 5.944 N. s

b)

Work done will be equal to change in kinetic energy

= 1/2 m (40.5² - 53.7²)

= 1/2 m (1640.25 - 2883.69)

= - 621.72 x m

= - 39.23 J

A tennis player receives a shot with the ball (0.0631 kg) traveling horizontally at 53.7 m/s and returns the shot with the ball traveling horizontally 40.5 m/s in the opposite direction.a. What is the impulse delivered to the ball by the racquet?b. What work does the racquet do on the ball?

A tennis player receives a shot with the ball (0.0631 kg) traveling horizontally at 53.7 m/s and returns the shot with the ball traveling horizontally 40.5 m/s in the opposite direction.

a. What is the impulse delivered to the ball by the racquet?

b. What work does the racquet do on the ball?