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A man weighs 60kg on the surface of the ...

A man weighs 60kg on the surface of the earth. The altitude where his weight will be 30kg is (R is the radius of the earth)

A

`h=2sqrtR`

B

h=2R

C

`h=R/2`

D

`h=(sqrt2-1)R`

Text Solution

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The correct Answer is:
D
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