A siphon, as shown in Fig. 14.47, is a convenient device for removing liquids from containers. To establish the How, the tube must be initially filled with fluid. Let the fluid have density p, and let the atmospheric pressure be P €¢. Assume that the cross-sectional area of the tube is the same at all points along it
(a) If the lower end of the siphon is at a distance h below the surface of the liquid in the container, what is the speed of the fluid as it Dows out the lower end of the siphon? (Assume that the container has a very large diameter, and ignore any effects of viscosity.) (b) A curious feature of a siphon is that the fluid initially flows €œuphill.€ What is the greatest height H that the high point of the tube can have if flow is still to occur?

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