The Manning equation for a
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Transcribed Image Text:The Manning equation for a rectangular open channel is given by Q =
√S(BH)/3
where is the flow rate in m³/s, S is the slope, H is the depth in m, and n is the Manning
n(B+H)2/3
roughness coefficient. Determine H if Q-5, S-0.0002, B= 20 and n = 0.03. Use H-2 as starting guess
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S(BH)/3
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