A pump steadily draws water through a pipe from a reservoir at a volumetric flow rate of 20 gal/min. At the pipe inlet, the pressure is 14.7 lbf/in.2, the temperature is 64°F, and the velocity is 10 ft/s. At the pump exit, the pressure is 35 lbf/in.2, the temperature is 64°F, and the velocity is 40 ft/s. The pump exit is located 35 ft above the pipe inlet. Ignoring heat transfer, determine the power required by the pump, in (a) Btu/s and (b) horsepower. The local acceleration of gravity is 32.0 ft/s2.