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The magnitude of potential energy per un...

The magnitude of potential energy per unit mass of the object at the surface of earth is .E.. Then escape velocity of the object is

A

`sqrt(2E)`

B

`4E^2`

C

`sqrtE`

D

`sqrt(E//2)`

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A
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AAKASH SERIES-GRAVITATION-Exercise-I
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  5. A planet of mass .m. is in a elliptical orbit about the sun (mltltM) w...

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

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  9. A body is suspended from a spring balance kept in a satellite. The rea...

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  10. A satellite is orbiting the carth close to its surface. A particle is ...

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  11. Match the items in List-I with those in

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  12. Match the Columns

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  13. A satellite of mass m is moving in a circular orbit of radius r=(Re+h)...

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  14. In which of the following cases the planet will have same value of .g....

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  15. Which of the following is true for a satellite in a circular orbit (...

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  16. When a satellite is lifted from a lower orbit to a higher orbit a) G...

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  17. With usual notation, the time period of rotation of a satellite orbiti...

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  18. When a planet moves around the sun a) Its angular momentum remains c...

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