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March 24, 2017

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A 47.0-g Super Ball traveling at 26.5 m/s bounces off a brick wall and rebounds at 20.5 m/s. A high-speed camera records this event. If the ball is in contact with the wall for 3.10 ms, what is the magnitude of the average acceleration of the ball during this time interval?

  • physics - ,

    a = (V-Vo)/t.

    a=(-20.5-26.5)/0.0031=-15,161 m/s^2.

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