Question: In a rectangular channel with a width of 1 . 5 meters, the flow rate is 8 cubic meters per second. The Manning's roughness coefficient

In a rectangular channel with a width of 1.5 meters, the flow rate is 8 cubic meters per second. The Manning's roughness coefficient is 0.02. Determine the normal depth (m) if the slope of the channel is 0.004.

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