Consider the Venturi flume shown. The bed is horizontal, and flow may be considered frictionless. The upstream depth is \(1 \mathrm{ft}\), and the downstream depth is \(0.75 \mathrm{ft}\). The upstream breadth is \(2 \mathrm{ft}\), and the breadth of the throat is \(1 \mathrm{ft}\). Estimate the flow rate through the flume.

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b = 2 ft b = 1 ft Plan view y1=1 ft y2 = 0.75 ft Elevation view P11.17