ing a are d the vic 80 2-60 Freshwater and seawater flowing in parallel horizontal Pipelines are connected to each other by a double U-tube difference between the two pipelines. Take the density of sea- manometer, as shown in Fig. P2-60. Determine the pressure water at that location to be p=1035 kg/m. Can the air col umn be ignored in the analysis? Fresk water 60 cm 10 cm 70 cm Air 40 cm Sea water Mercury FIGURE P2-60