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Physics
Physics
Problem
The escape speed from a planet of radius
R
R
R
is
v
esc
v_{\text{esc}}
v
esc
. A satellite orbits the planet at a distance
R
R
R
from the surface of the planet. What is the orbital speed of the satellite? A.
1
2
v
esc
\frac{1}{2}v_{\text{esc}}
2
1
v
esc
B.
2
2
v
esc
\frac{\sqrt{2}}{2}v_{\text{esc}}
2
2
v
esc
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