Question: Use the Continuity and Bernoulli Principles to derive an expression for the ideal flow rate QI in terms of the upstream and downstream depths y1

Use the Continuity and Bernoulli Principles to derive an expression for the ideal flow rate QI in terms of the upstream and downstream depths y1 and y2, and the channel width B. Also derive expressions for the total head (total energy/g) upstream and downstream (TH1, TH2) in terms of QI, B and depths y1 or y2

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