Assuming earth to be a sphere of a uniform density, what is the value – McqOptions

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1.	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 = 6400 km) [AFMC 2000; Pb. PMT 2000]
A.	\[9.66\,m/{{s}^{2}}\]
B.	\[7.64\,m/{{s}^{2}}\]
C.	\[5.06m/{{s}^{2}}\]
D.	\[3.10\,m/{{s}^{2}}\]
Answer» B. \[7.64\,m/{{s}^{2}}\]

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