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The value of g on the earth's surface is...

The value of `g` on the earth's surface is `980 cm//sec^(2)` . Its value at a height of `64` km from the earth's surface is

A

`960.40 cm//sec^2`

B

`982.45 cm//sec^2`

C

`984.90 cm//sec^2`

D

`977.5 cm//sec^2`

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The correct Answer is:
A
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