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A satellite is moving with speed v in a ...

A satellite is moving with speed v in a circular orbit about the earth. An object of a mass 2m is ejected from the satellite such that it just escapes from the gravitational pull of earth. At the time of ejection the kinetic energy of object is

A

`1/2 mv^2`

B

`mv^2`

C

`2 mv^2`

D

`3/2 mv^2`

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