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OpenStudy (anonymous):
A 200 g ball moving at 5.0 m/s strikes a wall perpendicularly and rebounds elastically at the same speed. The impulse given to the wall is a. 1 N•s b. 2 N•s c. 2.5 N•s d. 10 N•s
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OpenStudy (jamesj):
Impulse = change in momentum. Calculate the change in momentum in this situation.
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