Q.
An earth satellite of mass m revolves in a circular orbit at a height h from the surface of the earth. R is the radius of the earth and g is acceleration due to gravity at the surface of the earth. The velocity of the satellite in the orbit is given by
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a
gR2R+h
b
gR
c
gRR+h
d
gR2R+h
answer is D.
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Detailed Solution
v0=GMr=gR2R+h
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