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A satellite is revolving round the earth...

A satellite is revolving round the earth. Its kinetic energy is `E_k`. How much energy is required by the satellite such that it escapes out of the gravitational field of earth

A

`2E_(k)`

B

`3E_(k)`

C

`(E_(k))/2`

D

Infinity

Text Solution

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The correct Answer is:
A
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