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Assuming earth to be a sphere of a unifo...

Assuming earth to be a sphere of a uniform density, what is the value of gravitational acceleration in mine 100km below the earth's surface (Given `R=6400km)`

A

`9.66 m//s^(2)`

B

`7.64 m//s^(2)`

C

`5.06 m//s`

D

`3.10 m//s^(2)`

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A
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