A satellite of mass orbits the earth at a height h above the surface of the earth. How much energy must be expended to rocket the satellite out of earth’s gravitational influence?
(where 
and 
be mass and radius of the earth respectively)
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Total energy of orbiting satellite at a height h is
The total energy of the satellite at infinity is zero.
Energy expended to rocket the satellite out of the earth’s gravitational field is
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