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The period of moon's rotation around the...

The period of moon's rotation around the earth is nearly 29 days. If moon's mass were 2 fold its present value, and all other things remain unchanged, the period of Moon's rotation would be nearly

A

`29/sqrt2`

B

`29/sqrt2` days

C

29 x 2 days

D

29 days

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The correct Answer is:
D
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