At the top of a cliff 56 m high, Raoul throws a rock upward with velocity 16 m/s. How much later should he drop a second rock from rest so both rocks arrive simultaneously at the bottom of the cliff?
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At the top of a cliff 56 m high, Raoul throws a rock upward with velocity 16 m/s. How much later should he drop a second rock from rest so both rocks arrive simultaneously at the bottom of the cliff?
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