Question: A wide rectangular channel changes in slope from S 0 1 = 0 . 0 0 2 ( upstream ) to S 0 2 =

A wide rectangular channel changes in slope from S01=0.002(upstream) to S02=0.02. Determine the types of the two slopes (i.e., mild or steep) when the discharge (per unit width) is q=1.7(m2/s) and Mannings roughness n=0.025. Sketch the water surface profiles at around the slope change.

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