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Freefall & Motion

The escape ve...

Question

The escape velocity of a body in gravitational field of earth is independent of.

A

gravitational field of earth

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B

its mass

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C

radius of earth

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Solution

The correct option is B its mass
The escape velocity from the surface of earth of a body is
$v_{e} = \sqrt{2 g R}$
where g= acceleration due to gravity
R=radius of earth
so, it is dependent of mass of the body.

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