A ball is thrown straight up from the ground with an unknown velocity. It reaches its highest point after 5.5 s. With what velocity did it leave the ground?

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asked Apr 1, 2021 179k views

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A ball is thrown straight up from the ground with an unknown velocity. It reaches its highest point after 5.5 s. With what velocity did it leave the ground?

Physics
college

Christian Nowak asked

by Christian Nowak

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v = u + at
0 = u -9.8 x 5.5
u = 9.8 x 5.5 = 53.9 m/s

Brian Chapman answered Apr 7, 2021

by Brian Chapman

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