Question: The stage in a river is to be maintained at an elevation of 2 0 . 0 0 m behind a sharp - crested rectangular

The stage in a river is to be maintained at an elevation of 20.00 m behind a sharp-crested rectangular
weir. If the river is 10 m wide and 1 m deep, and the flow rate in the river is 5 m3/s what is the crest
elevation of the suppressed weir that must be used?

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