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Aitchison College Academic Resources.
QUESTION:8 ta
A tennis ball has a mass of 57g.
A tennis player hits the tennis ball with a tennis racket. The tennis ball has a velocity of 25m/s
when it hits the racket.
The velocity of the tennis ball when it leaves the player's racket is 15m/s in the opposite direction
from its approaching direction.
The average force exerted by the tennis racket on the ball is 35N.
For how long is the tennis ball in contact with the tennis racket?
A 0.015s B 0.016s C 0.065s D 065s
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