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The radii of circular orbits of two sate...

The radii of circular orbits of two satellites A and B of the earth are 4R and R, respectively. If the speed of satellite A is 3v, then the speed of satellite B will be

A

`(3V)/4`

B

`6V`

C

`12 V `

D

`(3V)/2`

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The correct Answer is:
B
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