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A rocket can go vertically upwards in ea...

A rocket can go vertically upwards in earth's atmosphere because

A

it is lighter than air

B

of gravitational pull of the sun

C

it has a fan which displaces more air per unit time than the weight of the rocket

D

of the force exerted on the rocket by gases ejected by it

Text Solution

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The correct Answer is:
d
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NIKITA PUBLICATION-GRAVITATION-Multiple Choice Questions
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  5. If the horizontal velocity given to the satellite is equal to velocity...

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  6. If the horizontal velocity given to the satellite is lies between crit...

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  7. If the horizontal velocity given to the satellite is greater than esca...

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  8. If a satellite performes elliptical path, then

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  9. If a satellite performs circular path, then

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  10. If a satellite performs parabolic path, then

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  11. If a satellite moves tangent to the circular path, then

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  12. If S1 is surface satellite and S2 is geostationary satellite, with tim...

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  13. A satellite is orbiting at a certain height in a circular orbit. If th...

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  14. If a satellite is orbiting the earth very close to its surface, then t...

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  15. A satellite revolves around the earth in an elliptical orbit. Its spee...

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  16. If the speed of a satellite orbiting near the surface of the earth is ...

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  17. A satellite is moving around the earth's with speed v in a circular or...

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  18. The gravitational force between two objects is proportional to 1//R (a...

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  19. If g(h) is the acceleration due to gravity at a height h above the ear...

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