A body of mass m is placed on the earth’s surface. It is taken from the earth’s surface to a height h=3R. The change in gravitational potential energy of the body is

Options

(a) 2 mgR / 3
(b) 3 mgR / 4
(c) mgR / 2
(d) mgR / 4

Correct Answer:

3 mgR / 4

Explanation:

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