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## Main Question or Discussion Point

Hi Guys,

When we are finding the wasted energy when something is dropped a tower, we do this: mgH-0.5mv^2

My question is, does the velocity of the kinetic energy have to be vertical component, or can it be the impact velocity when it hits the ground?

Thanks

When we are finding the wasted energy when something is dropped a tower, we do this: mgH-0.5mv^2

My question is, does the velocity of the kinetic energy have to be vertical component, or can it be the impact velocity when it hits the ground?

Thanks