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The kinetic energy needed to project a b...

The kinetic energy needed to project a body of mass m from the earth's surface to infinity is

A

`(mgR)/2`

B

`2mgR`

C

`mgR`

D

`(mgR)/4`

Text Solution

Verified by Experts

The correct Answer is:
C
`KE=1/2mV_(e)^(2)`
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