If g on the surface of the earth is \(10m/s^2\), its value at a height of 6400 km is (Radius of the earth = 6400 km)

If g on the surface of the earth is \(10m/s^2\), its value at a heigh

1.	If g on the surface of the earth is \(10m/s^2\), its value at a height of 6400 km is (Radius of the earth = 6400 km)
A.	\(5 \ ms^{-2}\)
B.	\(20 \ ms^{-2}\)
C.	\(2.5 \ ms^{-2}\)
D.	\(10 \ ms^{-2}\)
Answer» D. \(10 \ ms^{-2}\)

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If g on the surface of the earth is \(10m/s^2\), its value at a height of 6400 km is (Radius of the earth = 6400 km)

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