Answer to Question #76476 in Physics for imy

Question #76476

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

Expert's answer

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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