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Escape Speed

The escape ve...

Question

The escape velocity of an object projected from the surface of a given planet is independent of

A

Radius of the planet

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B

The direction of projection

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C

The mass of the planet

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D

None of these

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Solution

The correct option is B The direction of projection
The escape velocity of an object from any planet is
$v_{e s c a p e} = \sqrt{2 g R} = \sqrt{2 G M / R}$
Where $R$ & $M$ are the radius & mass of the planet

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