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Problem Solving A rock is thrown horizontally off of a cliff. It starts with a velocity of 4.2 m/s and the cliff is 68.2 m

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Problem Solving A rock is thrown horizontally off of a cliff. It starts with a velocity of 4.2 m/s and the cliff is 68.2 m high. . How long does the rock fall? . How far out from the bottom of the cliff does the rock fall?. What is the rock's velocity just before it hits the ground

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