This Dam Acts Like a Water Cannon. Let’s Do Some Physics!

Like a giant bucket with a hole, the Funil Hydropower Plant sprays out an enormous jet of water. We can use its speed to calculate the depth of the reservoir.

When people build dams—giant walls that hold back entire lakes and rivers—they have to build an overflow channel called a spillway, a mitigation against flooding.

A spillway could be something as simple as a path for water to flow over the top of the dam, or more complicated, like a side channel. Sometimes, there is just a big hole at the bottom of the dam (on the dry side) so that water can just shoot out like a massive water

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