Q.

A body weight W newton at the surface of the earth. Its weight at a height equal to half the radius of the earth will be

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a

W2

b

2W3

c

4W9

d

8W27

answer is C.

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Detailed Solution

g′=gRR+h2=49g ∴W′=49W
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A body weight W newton at the surface of the earth. Its weight at a height equal to half the radius of the earth will be