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Physics
Physics
Problem
A satellite of mass
m
m
m
is in a circular orbit of radius
R
R
R
around a planet of mass
M
M
M
. How much additional energy must be supplied to move it to a new circular orbit of radius
3
R
3R
3
R
? a)
G
M
m
6
R
\dfrac{GMm}{6R}
6
R
GM
m
b)
G
M
m
3
R
\dfrac{GMm}{3R}
3
R
GM
m
c)
−
G
M
m
3
R
-\dfrac{GMm}{3R}
−
3
R
GM
m
d)
2
G
M
m
3
R
\dfrac{2GMm}{3R}
3
R
2
GM
m
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