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A satellite of mass m revolves around th...

A satellite of mass m revolves around the earth of radius R at a hight x from its surface. If g is the acceleration due to gravity on the surface of the earth, the orbital speed of the satellite is

A

`gx`

B

`(gR^(2))/(R+x)`

C

`(gR^(2))/(R+x)`

D

`(gR)/(R-x)`

Text Solution

Verified by Experts

The correct Answer is:
B
`V_(0)=sqrt((GM)/(R+h))=sqrt((gR^(2))/(R+x))`
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