Question: Consider uniform flow in an asphalt-lined rectangular channel with a flow area of 2 m 2 and a bottom slope of 0.0003. By varying the

Consider uniform flow in an asphalt-lined rectangular channel with a flow area of 2 m2 and a bottom slope of 0.0003. By varying the depth-to-width ratio y/b from 0.1 to 2.0, calculate and plot the flow rate, and confirm that the best flow cross section occurs when the flow depth-to-width ratio is 0.5.

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