Question: A river descends 1 5 m in passing through rapids. The speed of the water is 3 . 2 m s upon entering the rapids

A river descends

15

m in passing through rapids. The speed of the water is

3.2 \frac{m}{s}

upon entering the rapids and is

13 \frac{m}{s}

as it leaves. What percentage of the potential energy lost by the water in traversing the rapid appears as kinetic energy of water downstream? What happens to the rest of the energy?

A river descends 1 5 m in passing through rapids.

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