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Water at the top of a hill as potential energy. Where and how does the water get it's potential energy?
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14 votes
14 votes
Water at the top of a hill as potential energy. Where and how does the water get it's potential energy?

User Andcl
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19 votes
19 votes

Answer:

At the top of the waterfall, the water is higher in the gravitational field of the Earth and has gravitational potential energy. When it falls, the potential energy turns into kinetic energy. So energy is not created, it was there at the beginning, stored as potential energy.

User Dequan
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