A body on the surface of the Earth weighs 400 lb.The radius of the Earth is about 4,000 miles.If this same body were placed on a 4,000-mile-high tower,its weight would be
__________.

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The Answer of A body on the surface of the Earth weighs 400 lb.The radius of the Earth is about 4,000 miles.If this same body were placed on a 4,000-mile-high tower,its weight would be
__________.

A Body on the Surface of the Earth Weighs 400