Question

Water flows through a fire hose of diameter 6.35 cm at a rate of 0.015 m3/s. The fire hose ends in a nozzle of inner diameter 1.750 cm. At what speed does the water exit the nozzle?

Answer 1

water speed*area=volume speed

waterspeed*(1.750/2)^2*Pi=.015m^3/sec

solve for water speed