Q5: Determine the needed power to be supplied by the pump to the flow of water pumped th the 300-mm cast iron pipe from the lower tank to the upper one at a rate of 0 4 m/s, the total p length is 250m, take r1=0.9m, r2=0.6m (14 You must use the Moody Chart 4 m 50 m m T Pump