Water flows steady through the piping junction as shown below, as it enters section 1 at 20 gpm. The average velocity at section 2 is 1.5 m/s. A portion of the flow is diverted through the showerhead, which has 100 holes of 1- mm diameter. Assuming uniform flow through the showerhead, calculate (a) the flow rate at section 2, and (b) the exit velocity from the showerhead holes. O d1 = 2 cm
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