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How much energy will be needed for a bod...

How much energy will be needed for a body of mass 100kg to escape from the earth- `(g = 10m//S^(2) and radius of earth = 6.4 xx 10^(6) m)`

A

`3.2xx10^9` joule

B

`6.4xx10^9` joule

C

`1.6xx10^9` joule

D

`8xx10^9` joule

Text Solution

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The correct Answer is:
B
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