a person weighs 80 N on the surface of earth what should be the distance of that person from the surface of earth so that its weight become 5N ? radius of earth =6400 km
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An object that weighs 80N on the surface of the earth would have a mass of 80/9.82 = 8.147 kg. 1.27e7 meters from the center of the earth. Subtract the earth's radius 6.371e6 and you get 6.375e6 meters, which isone earth radius.
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