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Physics, 05.01.2020 23:31 jaimejohnston2

Aball is dropped from the top of a cliff. by the time it reaches the ground, all the energy in its gravitational potential energy store has been transferred into its kinetic energy store. if the ball is travelling at 20 m/s when it hits the ground, what height was it dropped from? (assume that the gravitational field strength is 10 n/kg.)

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