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    Impulse and force exerted by a bat

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    1. A 0.2 kg baseball is traveling at 40 m/s. After being hit by a bat, the ball rebounds with a velocity of 509 m/s. Find
    a) the impulse and
    b) the average force exerted by the bat if the ball and bat are in contact for 0.002 s.

    2. A 0.11 kg tin can is resting on top of a 1.7 m high fencepost. A 2.0 g bullet is fired horizontally at the can. It strikes the can (inelastically) with a speed of 900 m/s and emerges with a speed of 720 m/s. When the can hits the ground, how far is it from the fencepost? Ignore friction.

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    Solution Preview

    Please refer to attached file for figures and the complete solution.

    1. A 0.2 kg baseball is traveling at 40 m/s. After being hit by a bat, the ball rebounds with a velocity of 509 m/s. Find a) the impulse and b) the average force exerted by the bat if the ball and bat are in contact for 0.002 s.

    Solution: a) Impulse is defined as Change in momentum = d(mv)
    Initial momentum ...

    Solution Summary

    This solution helps go through physics concepts such as impulse and force using the example of baseball.

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