Question: The clean-earth channel in Fig P10.112 is 6 m wide and slopes at 0.3. Water flows at 30 m3/s in the channel and enters a

The clean-earth channel in Fig P10.112 is 6 m wide and slopes at 0.3°. Water flows at 30 m3/s in the channel and enters a reservoir so that the channel depth is 3 m just before the entry. Assuming gradually-varied flow, how far is L to a point upstream where y = 2m? What type of curve is the water surface?

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