Problem 2.47 The inverted U-tube manometer is used to measure the difference in pressure between water flowing in the pipes at A and B. P 1000 kg/m³. (Figure 1) Figure 1 75 mm 225 mm 150 mm of 1 < > 300 mm Part A If the top segment is filled with air, and the water levels in each segment are as indicated, determine this pressure difference between A and B. Express your answer to three significant figures and include the appropriate units. με ? PB-PA= Value Units Submit My Answers Give Up Provide Feedback Continue