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Physics, 11.03.2020 18:33 eelebron0905

A child bounces a 60 g superball on the sidewalk. The velocity change of the superball is from 22 m/s downward to 15 m/s upward. If the contact time with the sidewalk is 1 800 s, what is the magnitude of the average force exerted on the superball by the sidewalk

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A child bounces a 60 g superball on the sidewalk. The velocity change of the superball is from 22 m/...
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