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Physics
The total energy of a circularly orbiting satellite is
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Q. The total energy of a circularly orbiting satellite is
KEAM
KEAM 2010
Gravitation
A
twice the kinetic energy of the satellite
B
half the kinetic energy of the satellite
C
twice the potential energy of the satellite
D
equal to the potential energy of the satellite
E
half the potential energy of the satellite
Solution:
Potential energy $ =-\frac{GMm}{r} $
Total energy $ =-\frac{GMm}{2r} $
Hence, the total energy of a circularly orbiting satellite is half the potential energy of the satellite.