A trapezoidal channel made of unfinished concrete has a bottom slope of 1, base width of 5

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A trapezoidal channel made of unfinished concrete has a bottom slope of 1°, base width of 5 m, and a side surface slope of 1:1, as shown in Fig. P13–55. For a flow rate of 25 m3/s, determine the normal depth h.


FIGURE P13–66

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