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Unformatted text preview: 15-86Chapter 15: Homework Problems12.1 Stealing Buddhas Dinner is a poignant memoir written by Bich Minh Nguyen (a Pur-due professor) that captures her experiences leaving Vietnam and growing up in theMidwestern United States. Her ability to simultaneously describe complex events froma childs perspective and capture the emotional complexities of the adults around her isone particularly noteworthy aspect of this elegant work. One of the themes throughoutthe book is central role of food in shaping her identity and one of the more interestingfoods described therein is Cha Gio, a type of crispy spring roll fried in oil.For this problem, each spring roll will be modeled as a square cross section (1.5 cm ona side) and they are 6 cm long (distance into the page). The mass of the spring roll isapproximately 10.8 grams, and the density of the oil is 0.922g/cm3.d 1.5 cm Draw a free body diagram of the spring roll.Determine how deep within the hot oil the spring roll will sit when it is cooking (denotedby the variable, d in the figure).If one were to heat the oil, causing its density to decrease, would the spring roll sinkdeeper or rise upward?Chapter 15: Homework Problems15-8712.2 Imagine an iceberg in the North Atlantic. Icebergs are giant blocks of ice formed fromfresh water floating in saltwater. They are usually named according to their size. AGrowleris less than 1 m in height and 5 meters long. Ais less than 1 m in height and 5 meters long....
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This note was uploaded on 12/21/2011 for the course ME 270 taught by Professor Murphy during the Fall '08 term at Purdue University-West Lafayette.
- Fall '08