Question

A new crowd control method utilizes “rubber” bullets instead of real ones. Suppose that, in a test, one of these “bullets” with a mass of 500 g is traveling at to the right. It hits a stationary target head-on. The target’s mass is 25.0 kg and it rests on a smooth surface. The bullet bounces backward (to the left) off the target at 100 m/s.
(a) Which way must the target move after the collision: (1) right, (2) left, (3) it could be stationary, or (4) you can’t tell from the data given?
(b) Determine the recoil speed of the target after the collision.


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  • CreatedAugust 29, 2015
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