Water flows through a horizontal tube as shown in the figure. If the difference of heights of water column in the vertical tubes is 15 cm, and the areas of cross-section at A and B are 4 cm2 and 2 cm2 respectively, find the rate of flow of water across any section. (Take g=10 m/s2)
Shortcut: Q=aAaB√a2A−a2B√2gh |