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Two satellites of earth, S(1) and S(2) ,...

Two satellites of earth, `S_(1) and S_(2)` , are moving in the same orbit. The mass of `S_(1)` is four times the mass of `S_(2)` . Which one of the following statements is true ?

A

the kinetic energies of the two satellites are equal

B

The time period of `S_(1)` is four time that of `S_(2)`

C

The potential energies of earth and satellite in the two cases are equal

D

`S_(1)` and S_(2)` are moving with the same speed

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The correct Answer is:
D
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ALLEN-GRAVITATION-EXERCISE 2
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  2. The figure shows elliptical orbit of a planet m about the sun S. The ...

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  3. The radii of circular orbits of two satellites A and B of the earth ar...

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  4. A particle of mass M is situated at the centre of a spherical shell of...

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  5. The dependence of acceleration due to gravity g on the distance r from...

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  6. The additional kinetic energy to be provided to a satellite of mass m ...

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  7. A planet moving along an elliptical orbit is closest to the sun at a d...

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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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  13. A particle is thrown vertically upwards upwards with velocity 11.2" km...

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  14. A black hole is an object whose gravitational field si so strong that ...

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

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