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If the moon orbits around the Earth once every 28 days, what would be the moons...

If the moon orbits around the Earth once every 28 days, what would be the moons orbital period if it's mass was reduced to 1/4?

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Answer #1

Orbital speed V= sqrt (GM/R)

When M'= M/4

So new velocity, V' = V/2

So new velocity will be half of older velocity. (ans)

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