If the velocity profile in a channel is described by the one-seventh power-law relationship, Equation 9.56, determine (a) the ratio of the average velocity to the maximum velocity, and (b) the...

If the velocity profile in a channel is described by the one-seventh power-law relationship, Equation 9.56, determine (a) the ratio of the average velocity to the maximum velocity, and (b) the distance from the bottom of the channel to where the average velocity occurs.