Express the magnitude of the average acceleration of the bal

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Q. A 46g Super Ball travelling at 26m/s bounces off a brick wall and rebounds at 16m/s. A high-speed camera records this event. If ball is in contact with the wall for 3.45ms, what is the magnitude of the average acceleration of the ball throughout this time interval?

Q. A dynamite blast at a quarry launches a rock straight upward, and 2s later it is rising at a rate of 15m/s. assume air resistance has no effect on the rock, analyse its speed (a) at launch and (b) 5s after launch.

Reference no: EM1369288

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