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A satellite X moves round the earth in a...

A satellite `X` moves round the earth in a circular orbit of radius `R`. If another satellite `Y` of the same mass moves round the earth in a circular orbit of radius `4R`, then the speed of `X` is ____________ times that of `Y`.

A

`(1)/(2sqrt(2))` years

B

`(2sqrt(2))/(1)` years

C

`(4)/(1)` years

D

`(1)/(4)` years

Text Solution

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The correct Answer is:
A
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