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A satellite is placed in a circular orbi...

A satellite is placed in a circular orbit around the earth at such a height that it always remains sationary with respect to the earth surface in such case it s heights form the earth surface is

A

32000 km

B

36000 km

C

6400 km

D

4800 km

Text Solution

Verified by Experts

The correct Answer is:
D
As `h=(T^(2)R^(2))/(4 pi^(2))^(1//3)-R`
`=[(24xx60xx60)^(2)xx(6.4xx10^(6)xx9.8)/(4xx(22//7)^(2)[(1//3)-6.4xx10^(6)]]`
`=3.6xx10^(7)` m =36000 km
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-GRAVITATION -Exercise 1
  1. Which of the following statement is correct about satellites?

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  2. A satellite S is moving in an elliptical orbit around the earth. The m...

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  3. A satellite is placed in a circular orbit around the earth at such a ...

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  4. The earth (mass =6xx10^(24)kg) revolves round the sun with an angular ...

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  5. The orbital velocity of an artifical satellite in a cirular orbit abov...

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  6. If total enrgy of satellite is E what is its potential enrgy

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  7. A relay satellite transmits the television programme from one part of ...

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  8. By what percent the energy of the satellite has to be increased to shi...

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  9. A satellite moves around the earth in a circular orbit with speed v. I...

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  10. The field which artifical satellite are useful stelites are useful f...

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  11. A lauching vehicle carrying an artificial satellite of mass m is set f...

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  12. A body is orbiting around earth at a mean radius which is two times a...

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  13. The time period of an earth satellite in circular orbit is independent...

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  14. The radius of the orbit of a satellite is r and its kinetic energy i...

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  15. The pitentil energy of a satellite is given as PE= lambda(KE) whe...

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  16. A 400 kg satellite is in a circular orbit of radius 2 R(E) about ...

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  17. The time period of a geostationary satellite at a height 36000 km ...

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  18. A simple pendulum has a time period T(1) on the earth 's surface ...

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  19. The mass of a planet is six times that of the earth. The radius of the...

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  20. For a body to escape from earth, angle from horizontal at which it sho...

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