Question: A pencil point piercing the surface of a rectangular channel flow creates a 25° half-angle wedge like wave, as in Fig. P10.50. If the channel

A pencil point piercing the surface of a rectangular channel flow creates a 25° half-angle wedge like wave, as in Fig. P10.50. If the channel surface is painted steel and the depth is 35 cm, determine
(a) The Froude no.;
(b) The critical depth; and
(c) The critical slope.

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