Question: Determine the normal depth and critical depth in a trapezoidal channel with a bottom width of 4 0 ft , side slopes of 3 :

Determine the normal depth and critical depth in a trapezoidal channel with a bottom width of 40 ft , side slopes of 3:1, and a bed slope of 0.002ftft. The Manning's n value is 0.025 and the discharge is 3000 cfs . Is the slope steep or mild? Repeat for n=0.012. Did the critical depth change? Why or why not?
Determine the normal depth and critical depth in

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