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If a 1-kg mass fell toward Earth from a large distance where it had zero relative velocity, what would be the velocity at the Earth's surface?
14 years ago

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bobpursley

energy change= INT GMe*m/r^2 dr from inf to re..

energy change= GMe*m/radiusearth

set that equal to 1/2 m v^2
solve for v
14 years ago

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