JEE Main Physics question

Physics Gravitation JEE Main

A body is orbiting very close to the earth's surface with kinetic energy . The energy required to completely escape from it is

(A)Correct
(B)
(C)
(D)

Answer: (A)

Solution

For a circular orbit just above the surface, total energy (since for a circular orbit). To escape, the total energy must

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Question ID VK-154290