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A geostationary satellite is orbiting th...

A geostationary satellite is orbiting the earth at a height of 5R above that surface of the earth, R being the radius of the earth. The time period of another satellite in hours at a height of 2R from the surface of the earth is

A

`6 sqrt(2)`

B

`6//sqrt(2)`

C

5

D

10

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The correct Answer is:
A
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ALLEN-GRAVITATION-EXERCISE 2
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  2. A spherical planet has a mass M(p) and D(p). A particle of mass m fall...

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  4. The height at which the weight of a body becomes 1//6 th, its weight o...

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  9. Dependence of intensity of gravitational field (E) of the earth with d...

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  10. Kepler's third law states that square of period of revolution (T) of a...

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

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  12. A remote-sensing satellite of earth revolves in a circular orbit at a ...

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  13. Find the velocity of a satellite at height 80 km from earth. If the ra...

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  14. At what height from the surface of earth, the gravitation potential an...

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  15. The ratio of escape velocity at earth (V(e)) to the escape velocity at...

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  16. Starting from the centre of the earth having radius R, the variation o...

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  17. A satellite of mass m is orbiting the earth (of radius R) at a height ...

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