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The acceleration due to gravity at a hei...

The acceleration due to gravity at a height `(1//20)^(th)` the radius of the earth above earth s surface is `9m//s^(2)` Find out its approximate value at a point at an equal distance below the surface of the earth .

A

8.5

B

9.5

C

9.8

D

11.5

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The correct Answer is:
B
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