A swimming pool is filled with water (total mass M) to a height h Explain why the gravitational potential energy of the water (taking U 0 at ground level) is Mgh Where does the factor of come from How much work must be done to fill the pool, if there is a ready supply of water at ground level What does this have to do with capacitors

Question: A swimming pool is filled with water (total mass M) to a height h. Explain why the gravitational potential energy of the water (taking U

A swimming pool is filled with water (total mass M) to a height h. Explain why the gravitational potential energy of the water (taking U = 0 at ground level) is ½ Mgh. Where does the factor of ½ come from? How much work must be done to fill the pool, if there is a ready supply of water at ground level? What does this have to do with capacitors?

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