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If a satellite is travelling in the same direction as the rotation of earth i.e., west to east, what is the interval between two successive times at which it will appear vertically overhead to an observer at a fixed point on the equator? (R = 6400 km, h = 1400 km)

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A satellite is revolving in the circular equatorial orbit of radius R=2xx10^(4)km from east to west. Calculate the interval after which it will appear at the same equatorial town. Given that the radius of the earth =6400km and g (acceleration due to gravity) =10ms^(-2)

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