A 0065-Kg Tennis Ball Moving to the Right with a Speed

question 3

Multiple Choice

A 0.065-kg tennis ball moving to the right with a speed of 15 m/s is struck by a tennis racket, causing it to move to the left with a speed of 15 m/s. If the ball remains in contact with the racquet for 0.020 s, what is the magnitude of the average force exerted on the ball?

• A)zero newtons
• B)98 N
• C)160 N
• D)240 N
• E)320 N

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