Answered

Directions:Choose the letter of the best answer.
5. A tennis player hits an approaching ball with a farce of 500N. If he hits the ball in 0.005 seconds, how much impulse is imparted to the tennis ball?
A. 2.5 N s
B. 3.5 N s
C. 4.5 N s
D. 5.0 N s​

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———— QUESTION ————

A tennis player hits an approaching ball with a farce of 500N. If he hits the ball in 0.005 seconds, how much impulse is imparted to the tennis ball?

———— ANSWER ————

A. 2.5 N/s

——— Explanation ———

J = f × t

J = f × tJ = 500N × 0.005 secs

J = f × tJ = 500N × 0.005 secsJ = 2.5 N/s

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