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The radii of circular orbits of two sate...

The radii of circular orbits of two satellites A and B of the earth are 4R and R, respectively. If the speed of satellite A is 3v, then the speed of satellite B will be

A

`3V//2`

B

`3V//4`

C

`6V`

D

`12 V`

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

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  9. A geostationary satellite is orbiting the earth at a height of 5R abov...

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

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  11. Which one of the following plots represents the variation of gravitati...

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  12. If v(e ) is escape velocity and v(o) is orbital velocity of a satellit...

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

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

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

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

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

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