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A satellite S is moving in an elliptical...

A satellite S is moving in an elliptical orbit around the earth. The mass of the satellite is very small compared to the mass of the earth. Then,

A

The acceleration of S is always directed towards the centre of the earth

B

The angular momentum of S about the centre of the earth changes in direction, but its magnitude remains constant

C

The total mechanical energy of S varies periodically with time

D

The linear momentum of S remains constant magnitude.

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MODERN PUBLICATION-Unit Test - Gravitation-Example
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  4. A geostationary satellite is orbiting the earth at a height 6 R above ...

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

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  6. A satellite is moving with a constant speed v in circular orbit around...

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  8. Kepler's second law regarding constancy of aerial velocity of a planet...

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  9. The force keeping the planets in elliptical orbit is

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  10. Gravitational attraction separated by 1 m will be

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  11. the gravity is measured in

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  12. The mass of the moon is about 1.2% of the mass of the earth. Compared ...

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  13. Two bodies of masses m1 and m2 fall from height h1 and h2 respectively...

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  14. The total vertical distance covered by a freely falling body in a give...

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  15. A ball takes t second to fall from a height h1, and 2 t seconds to fal...

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  16. g1 and g2 denote acceleration due to gravity on the surface of the ear...

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  17. Force of gravitational attraction is least

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  18. The weight of the body at earth's surface is W. At a depth half way to...

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  19. The change in the value of g at a heighth above the surface of the ear...

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  20. If the earth stops rotating, the value of g at the equator will

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