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Question

Q1. By how much the orbital velocity of Moon has to increase for it to cease to remain the earth’s satellite?

2 times

3 times

√2 times

√3 times

Accepted Answer

Answer : √2 times

If the speed of a satellite orbiting close to the earth is made √2 times (or increased by 41%) then it will escape from the gravitational field. Moon is a natural satellite of earth.
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