A 3 m long rectangular weir is to be constructed in a 3 m wide rectangular channel, as shown (a) The maximum flow in the channel will be 4 m 3 s What should be the height P of the weir to yield a depth of water of 2 m in the channel upstream of the weir

Question: A 3 m long rectangular weir is to be constructed in a 3 m wide rectangular channel, as shown (a). The maximum flow in the

A 3 m long rectangular weir is to be constructed in a 3 m wide rectangular channel, as shown (a). The maximum flow in the channel will be 4 m³/s. What should be the height P of the weir to yield a depth of water of 2 m in the channel upstream of the weir?

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