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If the satellite is stopped suddenly in ...

If the satellite is stopped suddenly in its orbit which is at a distnace = radius of earth from earth’s surface and allowed to fall freely into the earth, the speed with which it hits the surface of earth will be -

A

`7.919 m//s`

B

`7.919 km//s`

C

`11.2 m//s`

D

`11.2 km//s`

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The correct Answer is:
B
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ALLEN -GRAVITATION-EXERCISE 1
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  4. A planet is moving in an elliptic orbit. If T,V,E and L stand, respect...

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  9. If a satellite is orbiting the earth very close to its surface, then t...

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  15. Near the earth's surface time period of a satellite is 4 hrs. Find its...

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  16. A communication satellite of earth which takes 24 hrs. to complete one...

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  17. Escape velocity for a projectile at earth's surface is V(e). A body is...

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  18. For a satellite moving in an orbit around the earth, ratio of kinetic ...

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  19. The orbital velocity of an satellite in a circular orbit just above th...

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  20. The earth revolves round the sun in one year. If the distance between ...

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