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A rock of $\text{mass} = m$ is thrown horizontally off a cliff at a $\text{velocity} = v$. If the height of the cliff is $\text{height} = h$, which of the following expressions indicates the final kinetic energy of the rock, just before it hits the ground?

A

$mgh$

B

$\frac { 1 }{ 2 } m{ v }^{ 2 }$

C

$mgh+\frac { 1 }{ 2 } m{ v }^{ 2 }$

D

$mgh-\frac { 1 }{ 2 } m{ v }^{ 2 }$

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