Water with kinematic viscosity f = 0.892 cm2/s flows in a smooth pipe of radius, R =

Water with kinematic viscosity νf  = 0.892 cm2/s flows in a smooth pipe of radius, R = 25 mm and length, L = 20 m.The cross-sectional mean velocity, Vm, is 5 ft/s.Calculate the discharge, the entrance length, the friction factor, and the pressure drop.