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The escape velocity of a body from the s...

The escape velocity of a body from the surface of the earth is nearly

A

`7.98 kms^(-1)`

B

`8.92kms^(-1)`

C

`10.48 kms^(-1)`

D

`11.2 kms^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
D
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AAKASH SERIES-GRAVITATION-Exercise-II
  1. A satellite is in a circular orbit around a planet . Its period of rev...

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  2. A satellite is revolving near the earth.s surface. Its orbital velocit...

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  3. The escape velocity of a body from the surface of the earth is nearly

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  4. A satellite is revolving in a circular orbit of radius R. Ratio of KE ...

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  5. The PE of a satellite is -U . Its KE is

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  6. If the mass of the earth is M, its radius is R and gravitational const...

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  7. A satellite is revolving in a circular orbit of round the earth at a ...

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  8. The relation between the escape velocity ve and orbital velocity v0 is...

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  9. The ratio of the time periods of two satellites at heights h1,h2 from...

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  10. The KE required to project a body of mass .m. from the earth.s surface...

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  11. A spaceship is launched into a circular orbit of radius R close to the...

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  12. The escape velocity for a body projected vertically upwards from the s...

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  13. The mass of a planet is half that of the earth and the radius of the p...

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  14. The escape velocities on the surface of two planets of masses m1 and ...

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  15. The escape velocity for a planet is upsilone. A tunnel is dug along a...

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  16. The escape velocity for a planet is upsilone. A tunnel is dug along a...

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  17. If the escape velocity on the earth is 11.2km-s^-1, its value for a pl...

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  18. The radius in kilometers to which the present radius of the earth (R=6...

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  19. A point P lies on the axis of a ring of mass M and radius a, at a dist...

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  20. A planet is revolving round the sun . Its distance from the sun at apo...

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