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1 April, 00:58

A 50.0-g Super Ball traveling at 25.0 m/s bounces off a brick wall and rebounds at 22.0 m/s. A

high-speed camera records this event. If the ball is in contact with the wall for 3.50 ms, what is the

magnitude of the average acceleration of the ball during this time interval?

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  1. 1 April, 01:20
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    Average acceleration is change in velocity over time.

    a = Δv / Δt

    a = (22.0 m/s - (-25.0 m/s)) / 0.00350 s

    a = 13,400 m/s²
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