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Water flows in a rectangular channel that is 2.1 m wide as shown in the figure below. The upstream depth is 75 mm. The

Water flows in a rectangular channel that is 2.1 m wide as shown in the figure below. The upstream depth is 75 mm. The water surface rises 45 mm as it passes over a portion where the channel bottom rises 15 mm. If viscous effects are negligible, what is the flowrate? Q= 105mm 75mm 15mm m/s

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