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Two satellite fo masses m and 4m orbit t...

Two satellite fo masses m and 4m orbit the earth in circular orbits of radii 4r and r respectively. The ratio of their orbital speed is

A

1

B

`1/2`

C

`1/sqrt2`

D

`1/sqrt5`

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TARGET PUBLICATION-Gravitation-Exercise
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  2. Two satellite of masses m1 and m2 (m1 gt m2) are revolving round the e...

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  3. Two satellite fo masses m and 4m orbit the earth in circular orbits of...

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  4. The satellites A and B go round a planet P in circular orbits having r...

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  5. An astronaut inside a satellite is in a state of weightlessness becaus...

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  6. Assertion: An astronaut in an orbiting space station above the Earth e...

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  7. A person sitting in a chair in a satellite feels weightless because

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  8. The time period of an earth satellite in circular orbit depends on

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  9. The period of a satellite in a circular orbit around a planet is indep...

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  10. In the case of a satellite moving along a circular orbit, a larger orb...

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  11. Satellite revolving around the earth loses some energy due to collisio...

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  12. B .E. of a satellite is always

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  13. The binding energy of a body does not depend upon

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  14. A satellite is orbiting very close to a planet. Its periodic time depe...

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  15. If T is the time period of revolution of a satellite, then K.E. is pro...

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  16. A geostationary satellite orbits around the~ earth in a circular orbit...

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  17. The rotational period of a satellite close to the surface of the earth...

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  18. If R is the radius of earth and g is acceleration due to gravity on th...

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  19. How much energy will be required if a mass of 100 kg escapes from the ...

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  20. Four particles, each of mass M and equidistant from each other, move a...

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