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# rev12f10 - TA Tomoyuki Nakayama Monday PHY 2048 Physics 1...

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TA: Tomoyuki Nakayama Monday, November 15, 2010 PHY 2048: Physics 1 with Calculus, Fall 2010 Review: Chapter 14.1-14.10 The purpose of this review is to refresh your memory. Physics is a cumulative subject, so make it sure you understand basic concepts and typical problem solving techniques in previous chapters before moving on to a new chapter! ________________________________________________________________________________ A. Fluid in Equilibrium A 3-kg container holds 10 kg of water. A cube of edge length 0.1 m and mass 2 kg is suspended by a string and completely submerged in water. If the whole system is put on a spring scale, what is the reading of the scale? B. Fluid in Motion A siphon is a device for removing liquid from a container. In the figure below, tube ABC must initially be filled, but once this has been done, liquid will flow through the tube until the liquid surface in the container is level with the tube opening at A . If the liquid density is 1000 kg/m 3 and the distances in the figures are h 1 = 20 cm, h 2 = 40 cm and d = 30 cm, what is the pressure at the topmost point B ? The tube has a uniform cross sectional area.

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