Compute the discharge for a rectangular channel

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1. Compute the discharge for a rectangular channel that is 64.6ft (20m) wide, the flow depth is 4.8ft (1.5m), the channel is concrete lined, and the slope of the channel bed bed is 0.015 ft/ft(m/m.

2. Use Manning's equation to determine the average velocity of a stream if the roughness coefficient n is increased by weed growth from 0.03 to 0.05. Assume S and R do not change and the average velocity with a roughness coefficient of 0.03 is 6ft/s.

Reference no: EM132416408

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