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MHT CET Physics question

PhysicsGravitationMHT CET

For a particle projected in a transverse direction from a height above earth's surface, find the minimum initial velocity so that it grazes the surface of earth such that path of this particle would be an ellipse with centre of earth as the farther focus, point of projection as the apogee and a diametrically opposite point on earth as perigee

Answer: (A)

Solution

With at apogee and at perigee, and

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Question ID VK-060127