Question: Water flows from a lake into a steep rectangular channel over a broad crest, which is 8 ft below the lake level; The bed then

Water flows from a lake into a steep rectangular channel over a broad crest, which is 8ft below the lake level; The bed then dips down 2ft below the crest. Assuming that the flow is supercritical at this section just below the crest, find the velocity, depth and Froude number.

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