Question

A body of mass m kg. starts falling from a point 2R above the earth’s surface. Its kinetic energy when it has fallen to a point ‘R’ above the earth’s surface [R-Radius of earth, M-Mass of earth, G-Gravitational constant]

Options :

  1. GMm/2R

  2. GMm/6R

  3. 2GMm/3R

  4. GMm/3R

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Report

Answer :

GMm/6R

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