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MHT CET Physics question

PhysicsGravitationMHT CET

The orbital velocity of a body at height h above the surface of Earth is 36% of that near the surface of the Earth of radius R. If the escape velocity at the surface of Earth is , then its value at the height h will be

Answer: (C)

Solution

At any point , and (surface) (surface), so at height h \dfrac{9}{25}$×

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Question ID VK-059987