Test Academy | Assuming earth to be a sphere of a uniform density, what is the value of gravitational acceleration in a mine 100 km below the earth's surface (Given R = 6400km) 9.66m / s², 7.64 m / s², 5.06 m / s², 3.10 m / s²

Question

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

Options :

9.66m / s²
7.64 m / s²
5.06 m / s²
3.10 m / s²

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