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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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MOTION-GRAVITATION-Exercise - 1 (Section - C :- Keplers Law, Orbital Velocity, Escape Velocity + Geo. Stationary Satellites )
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  2. A relay satellite transmits the television programme from one part of ...

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  3. If the satellite is stopped suddenly in its orbit which is at a distna...

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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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  5. The gravitational force between two objects is proportional to 1//R (a...

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  6. What will be velocity of a satellite revolving around the earth at a h...

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  7. Two satellites of masses of m(1) and m(2)(m(1)gtm(2)) are revolving ro...

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  8. Orbital radius of a satellite S of earth is four times that s communic...

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

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  10. For two saatellitw at distance R and 7R above the earth's surface, the...

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  11. The minimum projection velocity of a body from the earth's surface so ...

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  12. Geostationary satellite :-

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  13. The maximum and minimum distance of a comet form the sun are 8xx10^(12...

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  14. A satellite of mass m goes round the earth along a circular path of ra...

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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 artifical satellite in a circular orbit jus...

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

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