Figure (13.16) shows a liquid of density 1200 kg/m flowing steadily in a tube of varying cross-section. The cross-section at a point A is 10 cm and that at B is 20 mm', the points A and B are in the same horizontal plane. The speed of the liquid at A is 10 cm/s. Calculate the difference in pressures at A and B. A. • 8 Figure 13.16
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