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# Calculate Height of Cliff

APPH12-KQCVED

A stone is kicked horizontally at $7\ \text{m/s}$ off the edge of a cliff. The stone takes $3$ seconds to reach the ground at the base of the cliff.

Which one of the following is closest to the height of the cliff?

A

$21\ \text{meters}$

B

$45\ \text{meters}$

C

$66\ \text{meters}$

D

$24\ \text{meters}$