What is the escape velocity of a planet having mass 6 times and radius 2 times as that of earth ........

General Science (Easy) Physics

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What is the escape velocity of a planet having mass 6 times and radius 2 times as that of earth?

3 ve

√3 ve

√2 ve

2 ve

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Explanation:

Option 2nd is correct.

The escape velocity vesc is expressed as vesc = Square root of√2GMr,where G is the gravitational constant, M is the mass of the attracting mass, and r is the distance from the centre of that mass. So when M=6times and R=2R, then ve becomes √3 ve.