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A geostationary satellite is orbiting th...

A geostationary satellite is orbiting the earth at a height 6 R above the surface of earth, where R is the radius of the earth. The time period of another satellite orbiting at the height 2.5 R from the surface of the earth will be approximately :

A

`6sqrt2` hours

B

`6sqrt3` hours

C

6 hours

D

10 hours

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