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The escape velocity of an object on a pl...

The escape velocity of an object on a planet whose radius is `4` times that of the earth and `g` value `9` tims that on the earth, in `Kms^(-1)`, is

A

67.2

B

33.6

C

16.8

D

25.2

Text Solution

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The correct Answer is:
A
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ERRORLESS -GRAVITATION-Gravitation Potential, Energy and Escape Velocity
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  11. If the radius of a planet is R and its density is rho , the escape vel...

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  12. Escape velocity on the earth

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  13. If acceleration due to gravity on the surface of a planet is two times...

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  14. The escape velocity of a rocket launched from the surface of the earth

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  15. The ratio of the radii of planets A and B is k(1) and ratio of acceler...

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  16. A mass of 6xx10^(24) kg is to be compressed in a sphere in such a way ...

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  17. The escape velocity of a body on an imaginary planet which is thrice t...

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  18. Escape velocity on the surface of earth is 11.2 km/s . Escape velocit...

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