A concrete rectangular channel (n = 0.015) is 10.0 m (32.8 ft) wide and carries a discharg...

A concrete rectangular channel (n = 0.015) is 10.0 m (32.8 ft) wide and carries a discharge of 50 cms (1,764 cfs). Using the direct step method of water surface profile computation, compute the following profiles (a) for the M-2 portion of the channel, (b) for S-2 portion 100 m (328 ft), and (c) for the M-3 portion of the channel.