A) \[\frac{5GmM}{6R}\]
B) \[\frac{2GmM}{3R}\]
C) \[\frac{GmM}{2R}\]
D) \[\frac{GmM}{3R}\]
Correct Answer: A
Solution :
[a] The kinetic energy at altitude![]() |
The gravitational potential energy at altitude ![]() |
![]() ![]() |
Potential energy at the surface is ![]() |
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