Solved: Testing Tennis BallsTennis balls are tested by
Chapter , Problem 11P(choose chapter or problem)
Problem 11P
Testing Tennis Balls
Tennis balls are tested by being dropped from a height of 2.5 m onto a concrete floor. The 57 g ball hits the ground, compresses, then rebounds. A ball will be accepted for play if it rebounds to a height of about 1.4 m; it will be rejected if the bounce height is much more or much less than this.
If a ball is “soft,” it will spend more time in contact with the floor and won’t rebound as high as it is supposed to. The force on the floor of the “soft” ball is _______ the force on the floor of a “normal” ball.
A. Greater than
B. The same as
C. Less than
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