What will be velocity of a satellite revolving around the earth at a height h above surface of earth if radius of earth is R.

R2√gR+h

R√R+hg

Rg(R+h)2

R√gR+h

A

R√R+hg

B

R2√gR+h

C

Rg(R+h)2

D

R√gR+h

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Solution

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Velocity of satellite revolving in an orbit of radius r, v=√GMr

Also GM=gR2

⟹v=√gR2r

For r=R+h

v=R√gR+h

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