Question: An obstruction is lodged in a 10-ft wide rectangular channel ( n = 0. 022) that has a bottom slope of 0.005. The depth of

An obstruction is lodged in a 10-ft wide rectangular channel ( n = 0. 022) that has a bottom slope of 0.005. The depth of the channel just upstream of the obstruction is 5 . 0 feet. If the flow rate is 325 cfs, what is the channel and flow classification (e.g., S-3, M-2)? Explain your supporting logic.

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