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The ratio of the kinetic energy required...

The ratio of the kinetic energy required to be given to a satellite to escape from the earths gravity to the kinetic energy required to be given to it so that it moves in a circular orbit just above the eart's surface is:

A

`1:1`

B

`2:1`

C

`sqrt(2) :1`

D

`4:1`

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Verified by Experts

The correct Answer is:
B
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