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You are hitting a tennis ball against a wall. The 0.057-kg tennis ball traveling at 23 m/s strikes the wall and rebounds at the same speed. Earth is the object of reference. Part A Determine the ball's original momentum (magnitude).

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Answer:

1.31 kgm/s

Explanation:

Mass of the tennis ball,m = 0.057

Initial speed,v = 23m/s

Final speed ,v = 23m/s

The magnitude of the initial momentum of the ball can be given as,

P i = m v

  = 0.057  × 23

  = 1.31 kgm/s

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