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MHT CET Physics question

PhysicsGravitationMHT CET

A body is projected upwards with a velocity of from the surface of earth. What will be the velocity of the body when it escapes from the gravitational pull of earth ? [MHTCET 2013]

Answer: (D)

Solution

Energy conservation: , so and \sqrt{15}$×11.2\

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Question ID VK-060270