Question: Flow is choked in a rectangular channel that smoothly transitions from a bottom with of 2 0 feet to a bottom width of 1 5

Flow is choked in a rectangular channel that smoothly transitions from a bottom with of 20 feet to a bottom width of 15 feet at
is goes under a bridge abutment. Determine the depth of flow immediately upstream of the transition and the depth of flow
within the contracted (downstream) section if the flow rate is 10 ft3/s

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