College Physics - 6022 Words

Wilson, College Physics, 6th Edition Chapter 9 Exercises MC = Multiple Choice Question, CQ = Conceptual Question, and IE = Integrated Exercise. Throughout the text, many exercise sections will include â€Å"paired† exercises. These exercise pairs, identified with red numbers, are intended to assist you in problem solving and learning. In a pair, the first exercise (even numbered) is worked out in the Study Guide so that you can consult it should you need assistance in solving it. The second exercise (odd numbered) is similar in nature, and its answer is given at the back of the book. 9.1 Solids and Elastic Moduli Use as many significant figures as you need to show small changes. 1. MC The pressure on an elastic body is described by†¦show more content†¦(d) 26. MC For the pressure–depth relationship for a fluid [pic] it is assumed that (a) the pressure decreases with depth, (b) a pressure difference depends on the reference point, (c) the fluid density is constant, (d) the relationship applies only to liquids. (c) 27. MC When measuring automobile tire pressure, what type of pressure is this: (a) gauge, (b) absolute, (c) relative, or (d) all of the preceding? (a) 28. CQ (Figure 9.27 shows a famous â€Å"bed of nails† trick. The woman lies on a bed of nails with a cinder block on her chest. A person hits the anvil with a sledgehammer. The nails do not pierce the woman’s skin. Explain why. see ISM 29. CQ Automobile tires are inflated to about [pic] whereas thin bicycle tires are inflated to 90 to [pic]—at least three times as much pressure! Why? see ISM 30. CQ (a) Why is blood pressure usually measured at the arm? (b) Suppose the pressure reading were taken on the calf of the leg of a standing person. Would there be a difference, in principle? Explain. see ISM 31. CQ (a) Two dams form artificial lakes of equal depth. However, one lake backs up 15 km behind the dam, and the other backs up 50 km behind. What effect does the difference in length have on the pressures on the dams? (b) Dams are usually thicker at the bottom. Why? see ISM 32. CQ Water towers (storage tanks) are generallyShow MoreRelatedA Student Survey of Mechanics Test Data870 Words   |  4 PagesData for Introductory Physics Courses (A Research Journal Critique) In partial fulfillment of the requirements in Physics 501: Theoretical Mechanics during the First Semester of the school year 2008 – 2009 Maria Jocelyn T. Claridad Master of Arts in Science Education with Specialization in Physics Prof. Antriman V. Orleans October, 2008 Interactive-Engagement vs. Traditional Methods: A Six Thousand-Student Survey of Mechanics Test Data for Introductory Physics Courses Richard R. 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