Question: Water flows in a channel whose bottom slope is 0 . 0 0 2 and whose cross section is as shown in the figure. The

Water flows in a channel whose bottom slope is

0.002

and whose cross section is as shown in the figure. The dimensions and the Manning coefficients for the surfaces of different subsections are also given on the figure. Determine the flow rate through the channel and the effective Manning coefficient for the channel. Take the dimension

x

in the figure to be

12.5 m .

The flow rate through the channel is

\frac{m^{3}}{s} .

The effective Manning coefficient for the channel is

Water flows in a channel whose bottom slope is 0

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