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An asteroid has a mass of 3.66 x 10^20 kg and a radius of 8.2 x 10^5 m. If a 25 kg mass is dropped fro 10 m above the "ground" of the asteroid, how long will it take the mass to fall to the ground?
8 years ago

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bobpursley
a=GM/r^2 solve for a.

then
10=1/2 a t^2 solve for time t.
8 years ago

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