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Physics, 07.10.2020 01:01 Fabito9069

A rock is dropped (from rest) off a bridge over the Chicago River. The falling rock accelerates at -7m/s2. If the rock falls down 300m, how long did it take between being dropped and hitting the ground.

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A rock is dropped (from rest) off a bridge over the Chicago River. The falling rock accelerates at -...
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