Two satellites, A and B, have masses m and 2m respectively. A is in a circular orbit of radius R, and B in a circular orbit of radius 2R around the earth. The ratio of their kinetic energies, TATB, is:
A
12
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B
2
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C
√12
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D
1
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Solution
The correct option is D1 Orbital velocity, v=√GMr
Kinetic energy of the satellite is given by,