Question: A brickwork rectangular channel 4 m wide is flowing at 8.0 m3/s on a slope of 0.1, is this mild, critical, or steep slope? What

A brickwork rectangular channel 4 m wide is flowing at 8.0 m3/s on a slope of 0.1°, is this mild, critical, or steep slope? What type of gradually-varied-solution curve are we on if the local water depth is
(a) 1 m;
(b) 1.5 m;
(c) 2 m?

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