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NEET 2002 Physics question

PhysicsGravitationNEET 2002

A body of mass m is placed on earth surface which is taken from earth surface to a height of h = 3R then change in gravitational potential energy is :

Answer: (3)

Solution

Initial potential energy at the surface: . At height the distance from the centre is : . U_fU_i\dfrac{GMm}{R}\dfrac{1}{4}$) =

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Question ID VK-088958