Question: A rectangular channel 5 m wide carries a discharge 5 0 m 3 s . the observed velocity at 0 . 2 y , y

A rectangular channel 5 m wide carries a discharge 50m3s. the observed velocity at 0.2 y ,y= water depth) is 3ms and velocity at 0.8y(V0.s) is 2.5ms.
a. What is the specific energy of the flow at this point?
b. What are the alternate depths at this point?
c. What is the critical depth in the channel?
A rectangular channel 5 m wide carries a

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