MHT CET Physics question

Physics Gravitation MHT CET

A satellite is orbiting at a certain height in a circular orbit. If the mass of the planet is reduced to half the initial value, the satellite would

(A)Fall on the planet
(B)Go to the orbit of smaller radius
(C)Go to the orbit of larger radius
(D)Escape from the planetCorrect

Answer: (D)

Solution

The satellite's speed is but the new escape speed is , so it has

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Question ID VK-059751