A) \[GMm/12{{R}^{2}}\]
B) \[GMm/3{{R}^{2}}\]
C) \[GMm/8R\]
D) \[GMm/6R\]
Correct Answer: D
Solution :
Gravitational potential energy of body will be |
where, mass of the earth, |
mass of the body, |
radius of the earth. |
At , |
At , |
Energy required to move a body of mass m from an orbit of radius 2 R to 3R is |
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