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15-11-2017
Physics

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A student drops a rock from a bridge to the water 11.5 m below. With what speed does the rock strike the water? The acceleration of gravity is 9.8 m/s 2 . Answer in units of m/s.

Respuesta :

23-11-2017

Answer: v = sq-root 2*11.5*9.8 ( m/s ) v = 14 m/s

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