Question: A rectangular channel (3 mathrm{~m}) wide carries (10 mathrm{~m}^{3} / mathrm{s}) at a depth of (2 mathrm{~m}). Is the flow subcritical or supercritical? For the

A rectangular channel $3 \mathrm{~m}$ wide carries $10 \mathrm{~m}^{3} / \mathrm{s}$ at a depth of $2 \mathrm{~m}$. Is the flow subcritical or supercritical? For the same flowrate, what depth will give critical flow?

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