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A man weight 60 kg-wt at the earth's sur...

A man weight 60 kg-wt at the earth's surface The radius of the earth is 6400 km. At what height above the earth's surface, his weight becomes 30 kg wt ?

A

`0.2xx10^10erg`

B

`2xx10^10J`

C

`2xx10^9erg`

D

`2xx10^9J`

Text Solution

Verified by Experts

The correct Answer is:
D
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