A golf ball is dropped onto a concrete floor and strikes the floor at 5.0 m/s. It then rebounds at 5.0 m/s. calculate the change in velocity for the ball
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Expert's answer
2018-04-24T09:40:08-0400
If we choose upwards as the positive direction, the change in velocity for the ball is ∆v=v_f-v_i=5-(-5)=10 m/s
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