# physics

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Calculate the speed with which water flows from a hole in the dam of a large irrigation canal. The hole is 0.80 m below the surface of the water. If the hole has a radius of 2.0 cm, what is the flow rate of the water from the hole?

• physics -

Bernoulli's equation:

mgh=1/2 m v^2

v=1.6g

flow rate: I assume you mean mass flow rate, not volume rate.

flow rate=density*velocity*areahole

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