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A rock is dropped from the top of a tall tower. Half a second later another...

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Mechanical Engineering

A rock is dropped from the top of a tall tower. Half a secondlater another rock, twice as massive as the first, is dropped.Ignoring air resistance,

they strike the ground with the same kinetic energy

they strike the ground more than half a second apart.

the distance between the rocks increases while both arefalling.

the acceleration is greater for the more massive rock.

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