A tennis player swings her 1000 g racket with a speed of 12 m/s. She hits a 60 g

Question

A tennis player swings her 1000 g racket with a speed of 12 m/s. She hits a 60 g tennis ball that was approaching her at a speed of 22 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.

I solved this to be 8.28 m/s

(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?

I solved this to be 372 N

I NEED HELP WITH PART (C)

(C) How does this compare to the gravitational force on the ball?

F avg / W ball = ______ ?

Explanation / Answer

------------------------------------------
part C:

gravitationla force F = mg

F = 1*9.8 = 9.8 N

Favg/Fball = 372/9.8 = 38 times larger

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.