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Which one of the following gives the total mechanical energy of a satellite of mass…
PHYSICS · Single correct · CBSE · Physics · Gravitation · Gravitation
Problem
Which one of the following gives the total mechanical energy
E
E
E
of a satellite of mass
m
m
m
revolving in a circular orbit of radius
r
r
r
around a planet of mass
M
M
M
? (a)
E
=
−
1
2
G
M
m
r
E=-\dfrac{1}{2}\,\dfrac{GMm}{r}
E
=
−
2
1
r
GM
m
(b)
E
=
−
G
M
m
r
E=-\dfrac{GMm}{r}
E
=
−
r
GM
m
(c)
E
=
G
M
m
2
r
E=\dfrac{GMm}{2r}
E
=
2
r
GM
m
(d)
E
=
0
E=0
E
=
0
Related theory
Satellites & Orbital Motion
Gravitation
Orbital velocity and period
Energy of an orbiting satellite
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