Question

The value of g at the surface of earth is
9.8 m/s2. Then the value of 'g' at a place 480 km
above the surface of the earth will be nearly (radius
of the earth is 6400 km)
(1) 9.8 m/s2
(2) 7.2 m/s2
(3) 8.5 m/s2
(4) 4.2 m/s2​

Answer 1

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