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A satellite of mass is in orbit around a planet of radius and mass
PHYSICS · Single correct · CBSE · Physics · Gravitation · Gravitation
Problem
A satellite of mass
m
m
m
is in orbit around a planet of radius
R
R
R
and mass
M
M
M
. The total energy of the satellite is
−
G
M
m
4
R
-\frac{GMm}{4R}
−
4
R
GM
m
. What is the radius of the orbit? (A)
R
R
R
(B)
4
R
3
\frac{4R}{3}
3
4
R
(C)
2
R
2R
2
R
(D)
8
R
3
\frac{8R}{3}
3
8
R
Related theory
Satellites & Orbital Motion
Gravitation
Orbital velocity and period
Energy of an orbiting satellite
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