Question: A circular corrugated-metal water channel is half-full and in uniform flow when laid on a slope of 0.0118. The average shear stress on the channel

A circular corrugated-metal water channel is half-full and in uniform flow when laid on a slope of 0.0118. The average shear stress on the channel walls is 29 Pa. Estimate
(a) The channel diameter;
(b) The Froude number; and
(c) The volume flow rate.

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