Determine the speed of the stone at impact

Reference no: EM13660939

A man throws a stone vertically downward with an initial speed of 11.5 m/s from the roof of a building, 39.0 meter above the ground.

(a) Determine how long does it take the stone to reach the ground?

(b) Determine the speed of the stone at impact?

Reference no: EM13660939

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