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Michigan >> MECHENG >> 240 (Spring, 2009)
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Michigan >> MECHENG >> 240 (Spring, 2009)
ME 240: Introduction to Dynamics and Vibrations Mechanical Engineering Department The University of Michigan Winter 2008 Computer Assignment #1 January 25, 2007 (Due 2/8/2007 Friday) Consider a mass m sliding on a frictionless circular ring subject t...
Michigan >> MECHENG >> 240 (Spring, 2009)
ME 240: Introduction to Dynamics and Vibrations Mechanical Engineering Department The University of Michigan Computer Assignment #1 Supplemental Document Originally prepared by Akira Saito and modied here by Todd Lillian 1 Introduction In this doc...
Michigan >> MECHENG >> 240 (Spring, 2009)
ME 240: Introduction to Dynamics and Vibrations Mechanical Engineering Department The University of Michigan Winter 2008 Computer Assignment #1 Solution February 8, 2007 Prepared by Joosup Lim (jooslim@umich.edu) (i) Free body diagram is shown in Fi...
Michigan >> MECHENG >> 240 (Spring, 2009)
ME 240: Introduction to Dynamics and Vibrations Mechanical Engineering Department The University of Michigan Computer Assignment #2 Assigned: 14 March 2008. Due: 28 March 2008 Introduction Dr. Perkins and his students have developed a 6 degree of fr...
Michigan >> MECHENG >> 240 (Spring, 2009)
ME 240: Introduction to Dynamics and Vibrations Mechanical Engineering Department The University of Michigan Computer Assignment #2 Solution Assigned: 14 March 2008. Due: 28 March 2008 Introduction Dr. Perkins and his students have developed a 6 deg...
Michigan >> MECHENG >> 240 (Spring, 2009)
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UF >> EGM >> 3520 (Spring, 2009)
14-17 Copolymers 14.15 This problem asks for sketches of the repeat unit structures for several alternating copolymers. (a) For poly(ethylene-propylene) (b) For poly(butadiene-styrene) (c) For poly(isobutylene-isoprene) Excerpts from this work ma...
UF >> EGM >> 3520 (Spring, 2009)
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UF >> EGM >> 3520 (Spring, 2009)
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UF >> EGM >> 3520 (Spring, 2009)
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UF >> EGM >> 3520 (Spring, 2009)
14-3 14.3 We are asked to compute the degree of polymerization for polystyrene, given that the numberaverage molecular weight is 500,000 g/mol. The repeat unit molecular weight of polystyrene is just m = 8(AC) + 8(AH) = (8)(12.01 g/mol) + (8)(1.008...
UF >> EGM >> 3520 (Spring, 2009)
14-15 Thermoplastic and Thermosetting Polymers 14.13 This question asks for comparisons of thermoplastic and thermosetting polymers. (a) Thermoplastic polymers soften when heated and harden when cooled, whereas thermosetting polymers, harden upon he...
UF >> EGM >> 3520 (Spring, 2009)
15-11 Factors That Influence the Mechanical Properties of Semicrystalline Polymers Deformation of Elastomers 15.11 (a) The tensile modulus is not directly influenced by a polymer\'s molecular weight. (b) Tensile modulus increases with increasing degr...
UF >> EGM >> 3520 (Spring, 2009)
15-14 15.14 This problem gives us the tensile strengths and associated number-average molecular weights for two poly(methyl methacrylate) materials and then asks that we estimate the tensile strength for M n = 40,000 g/mol. Equation 15.3 cites the d...
UF >> EGM >> 3520 (Spring, 2009)
15-34 15.31 (a) Yes, it is possible to determine which polymer has the higher melting temperature. The linear polyethylene will most likely have a higher percent crystallinity, and, therefore, a higher melting temperature than the branched polyethyl...
UF >> EGM >> 3520 (Spring, 2009)
18-3 18.3 This problem asks that we compute, for a plain carbon steel wire 3 mm in diameter, the maximum length such that the resistance will not exceed 20 . From Table 18.1 for a plain carbon steel = 0.6 x 107 (-m)1. If d is the diameter then, com...
UF >> EGM >> 3520 (Spring, 2009)
18-9 Electron Mobility 18.9 The drift velocity of a free electron is the average electron velocity in the direction of the force imposed by an electric field. The mobility is the proportionality constant between the drift velocity and the electric f...
UF >> EGM >> 3520 (Spring, 2009)
18-12 18.12 (a) This portion of the problem asks that we calculate, for silver, the number of free electrons per cubic meter (n) given that there are 1.3 free electrons per silver atom, that the electrical conductivity is 6.8 x 107 (\' m)-1, and that...
UF >> EGM >> 3520 (Spring, 2009)
18-22 18.19 This problem asks that we make plots of ln ni versus reciprocal temperature for both Si and Ge, using the data presented in Figure 18.16, and then determine the band gap energy for each material realizing that the slope of the resulting ...
UF >> EGM >> 3520 (Spring, 2009)
18-23 The value cited in Table 18.3 is 1.11 eV. Now for Ge, an analogous plot is shown below. We calculate the slope and band gap energy values in the manner outlined above. Let us take 1/T1 = 0.001 and 1/T2 = 0.011; their corresponding ln values ...
UF >> EGM >> 3520 (Spring, 2009)
18-33 18.29 (a) In this problem, for a Si specimen, we are given values for p (2.0 x 1022 m-3) and [500 (m)-1], while values for h and e (0.05 and 0.14 m2/V-s, respectively) are found in Table 18.3. In order to solve for n we must use Equation 18.1...
UF >> EGM >> 3520 (Spring, 2009)
18-39 18.35 This problem asks that we estimate the temperature at which GaAs has an electrical conductivity of 1.6 x 10-3 (-m)-1 assuming that the conductivity has a temperature dependence as shown in Equation 18.36. From the room temperature (298 K...
UF >> EGM >> 3520 (Spring, 2009)
18-45 The Hall Effect 18.41 (a) This portion of the problem calls for us to determine the electron mobility for some hypothetical metal using the Hall effect. This metal has an electrical resistivity of 3.3 x 10-8 (-m), while the specimen thickness ...
UF >> EMA >> 3010 (Spring, 2009)
5/1/2008 CHAPTER 14: POLYMER STRUCTURES ISSUES TO ADDRESS. What are the basic microstructural features? How are polymer properties effected by molecular weight? How do polymeric crystals accommodate the polymer chain? repeat unit Chapter 14 Pol...
UF >> EMA >> 3010 (Spring, 2009)
5/1/2008 Chapter 15: Characteristics, Applications & Processing of Polymers ISSUES TO ADDRESS. What are the tensile properties of polymers and how are they affected by basic microstructural features? Hardening, anisotropy, and annealing in polymer...
UF >> EMA >> 3010 (Spring, 2009)
5/1/2008 CHAPTER 17: CORROSION AND DEGRADATION ISSUES TO ADDRESS. Why does corrosion occur? What metals are most likely to corrode? How do temperature and environment affect corrosion rate? How do we suppress corrosion? THE COST OF CORROSION C...
UF >> EMA >> 3010 (Spring, 2009)
5/1/2008 Chapter 18: Electrical Properties ISSUES TO ADDRESS. How are electrical conductance and resistance characterized? What are the physical phenomena that distinguish conductors, semiconductors, and insulators? For metals, how is conductivit...
UF >> GLY >> 1100 (Spring, 2009)
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UF >> GLY >> 1100 (Spring, 2009)
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UF >> GLY >> 1100 (Spring, 2009)
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UF >> GLY >> 1100 (Spring, 2009)
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UF >> EGM >> 3520 (Spring, 2009)
COSMOS: Complete Online Solutions Manual Organization System Chapter 6, Solution 9. First note that, by inspection of joint H: FCH = 0 ! and FDH = FGH FCG = 0 ! and FBC = FCD FBG = 0 ! and FFG = FGH FBF = 0 ! and FAB = FBC then, by inspection of j...
UF >> EGM >> 3520 (Spring, 2009)
COSMOS: Complete Online Solutions Manual Organization System Chapter 6, Solution 10. FBD Truss: Fx = 0: H x = 0 By symmetry: A y = H y = 4 kips by inspection of joints C and G : FAC = FCE and FBC = 0 FEG = FGH and FFG = 0 also, by symmetry FAB = FFH...
UF >> EGM >> 3520 (Spring, 2009)
COSMOS: Complete Online Solutions Manual Organization System Chapter 6, Solution 50. FBD Truss: Distance between loads = 1.5 m Fx = 0: By symmetry, Ax = 0 A y = K y = 18 kN FBD Section ABC: FBD Section ABC: M D = 0: (1.5 m ) FCE + (1.5 m )( 6 k...
UF >> EGM >> 3520 (Spring, 2009)
COSMOS: Complete Online Solutions Manual Organization System Chapter 6, Solution 86. (a) FBD AC: Note: CE is a two-force member M A = 0: 1 1 - ( 8 in.) FCE - ( 2 in.) FCE + 192 lb in. = 0 2 2 FCE = 19.2 2 lb, E x = 19.20 lb E y = 19....
UF >> EGM >> 3520 (Spring, 2009)
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UF >> EGM >> 3520 (Spring, 2009)
COSMOS: Complete Online Solutions Manual Organization System Chapter 7, Solution 65. (a) Shear Diag: dV V is zero at A with constant slope = - w = -1 kip/ft decreasing to dx - 3.6 kips at C. V then jumps 9 kips to 5.4 kips and is constant t...
UF >> EGM >> 3520 (Spring, 2009)
COSMOS: Complete Online Solutions Manual Organization System Chapter 7, Solution 74. (a) Fy = 0: Ay - ( 2 kips/ft )( 8 ft ) - 3 kips + 7 kips = 0 A y = 12 kips M A = 0: Shear Diag: V jumps to 12 kips at A, then decreases at 2 kips/ft to - 4 kips...
UF >> EGM >> 3520 (Spring, 2009)
COSMOS: Complete Online Solutions Manual Organization System Chapter 7, Solution 78. (a) Note: The 2 kip force at E has been replaced by the equivalent force and couple at C. M A = 0: - ( 6 ft )(1 kip/ft )(12 ft ) + 8 kip ft - (12 ft )( 2 kips )...
UF >> EML >> 3100 (Spring, 2009)
SOLUTION MANUAL SI UNIT PROBLEMS CHAPTER 5 SONNTAG BORGNAKKE VAN WYLEN FUNDAMENTALS of Thermodynamics Sixth Edition Sonntag, Borgnakke and van Wylen CONTENT SUBSECTION Correspondence table Concept-Study Guide Problems Kinetic and potential ene...
Cornell >> NTRES >> 2010 (Spring, 2009)
Consensus Building A genuine leader is not a searcher for consensus but a molder of consensus. Martin Luther King, Jr. Consensus Building Exercise Instructions: First, individually rank from 1 (most important) to 10 (least important) each of the en...
Cornell >> NTRES >> 2010 (Spring, 2009)
Climate Change: Mitigation and Policies To find out what we value, we first must determine what were willing to pay for. Pareto Optimality: Finding the optimal balance between costs and benefits It could cost trillions of dollars to try to fine tu...
Cornell >> NTRES >> 2010 (Spring, 2009)
Most Promising Stabilization Wedges Energy efficiency (vehicles, buildings, electric power plants Fuel shift (natural gas replacing coal) Carbon capture and storage Nuclear power plants Renewable power and fuel sources (wind, solar, biomass) Forests ...
Cornell >> NTRES >> 2010 (Spring, 2009)
The Demographic Transition: Factors Influencing Human Fertility A male heir is an object of first importance. By a son a man obtains victory. By a son\'s son he enjoys immortality. And by the son of that grandson he reaches the solar abode. from Mal...
Cornell >> NTRES >> 2010 (Spring, 2009)
Sustainable Agriculture [To halt extinction] the first step would be to cease \"developing\" any more relatively undisturbed landeven so, ending direct human incursions into remaining undisturbed habitats would be only a startthe indispensable strateg...
Cornell >> NTRES >> 2010 (Spring, 2009)
Degradation of Arid Lands: Desertification Man strides over the earth and deserts follow in his footprints. Ancient Proverb Definition: A process of environmental degradation by which productive land is made non-productive and desert-like The whit...
Cornell >> NTRES >> 2010 (Spring, 2009)
Introduction to Renewable Natural Resources Plato: Human intellect ponders a physical reality (nature) to which the intellect is not connected. Aristotle: There exists a fundamental connection between thinker intellect and the physical reality th...
Cornell >> NTRES >> 2010 (Spring, 2009)
Freshwater Resources Principal Issues in Renewable Natural Resources 1. sustainability: management approaches 2. conservation vs. preservation: wise use and the rights of nature A major difficulty in allocating groundwater is that the future value ...
Cornell >> NTRES >> 2010 (Spring, 2009)
If any resource can be shifted from one configuration to another, and it would bring greater satisfaction in the second, then it should be so shifted. Maxim of resource economics McEcoy, A.F. 1987. Toward an interactive theory of nature and culture:...
Cornell >> DSOC >> 1101 (Spring, 2009)
Sending Sickness: Sorcery, Politics, and Changing Concepts of AIDS in Rural Haiti Author(s): Paul Farmer Source: Medical Anthropology Quarterly, New Series, Vol. 4, No. 1, Culture and Behavior in the AIDS Epidemic (Mar., 1990), pp. 6-27 Published by:...
Cornell >> DSOC >> 1101 (Spring, 2009)
Becoming a Marihuana User Author(s): Howard S. Becker Source: The American Journal of Sociology, Vol. 59, No. 3 (Nov., 1953), pp. 235-242 Published by: The University of Chicago Press Stable URL: http:/www.jstor.org/stable/2771989 Accessed: 15/02/200...
Cornell >> DSOC >> 1101 (Spring, 2009)
Warning Concerning Copyright Restrictions The copyright law of the United States (Title 17, United States Code) governs the making of photocopies or other reproductions of copyrighted material. Under certain conditions specified in the law, libraries...
Cornell >> DSOC >> 1101 (Spring, 2009)
Warning Concerning Copyright Restrictions The copyright law of the United States (Title 17, United States Code) governs the making of photocopies or other reproductions of copyrighted material. Under certain conditions specified in the law, libraries...
Cornell >> DSOC >> 1101 (Spring, 2009)
Warning Concerning Copyright Restrictions The copyright law of the United States (Title 17, United States Code) governs the making of photocopies or other reproductions of copyrighted material. Under certain conditions specified in the law, libraries...
Cornell >> DSOC >> 1101 (Spring, 2009)
Warning Concerning Copyright Restrictions The copyright law of the United States (Title 17, United States Code) governs the making of photocopies or other reproductions of copyrighted material. Under certain conditions specified in the law, libraries...
Cornell >> DSOC >> 1101 (Spring, 2009)
Warning Concerning Copyright Restrictions The copyright law of the United States (Title 17, United States Code) governs the making of photocopies or other reproductions of copyrighted material. Under certain conditions specified in the law, libraries...
Cornell >> DSOC >> 1101 (Spring, 2009)
Warning Concerning Copyright Restrictions The copyright law of the United States (Title 17, United States Code) governs the making of photocopies or other reproductions of copyrighted material. Under certain conditions specified in the law, libraries...
Cornell >> DSOC >> 1101 (Spring, 2009)
Warning Concerning Copyright Restrictions The copyright law of the United States (Title 17, United States Code) governs the making of photocopies or other reproductions of copyrighted material. Under certain conditions specified in the law, libraries...
Cornell >> DSOC >> 1101 (Spring, 2009)
Warning Concerning Copyright Restrictions The copyright law of the United States (Title 17, United States Code) governs the making of photocopies or other reproductions of copyrighted material. Under certain conditions specified in the law, libraries...
Cornell >> DSOC >> 1101 (Spring, 2009)
FAQ The Sociological Imagination DSOC 101 January 26, 2009 Reading assignments Writing Assignments Exams MultipleMultiple-choice 20% lecture Tips on how to prepare ExtraExtra-credit (max. 20 points/5 points ...
Cornell >> DSOC >> 1101 (Spring, 2009)
Warning Concerning Copyright Restrictions The copyright law of the United States (Title 17, United States Code) governs the making of photocopies or other reproductions of copyrighted material. Under certain conditions specified in the law, libraries...
Cornell >> COMM >> 1300 (Spring, 2009)
Aspects of Visual Literacy Aspects of Visual Literacy Working hypotheses: A hypothesis is a proposal suggesting a possible relationship between two phenomena. Lect 1 Aspects of Visual Literacy Working hypotheses: 1. Visual literacy is a prerequis...
Cornell >> COMM >> 1300 (Spring, 2009)
The tools for understanding How visuals persuade us Advertising images take advantage of visuals as persuasive devices Drawing attention Example: Person looking at us Eliciting emotion on behalf of whatever the ad is selling The tools for understa...
Cornell >> COMM >> 1300 (Spring, 2009)
The iconic nature of photos: Attracting Attention Attracting Attention 1qq The iconic nature of photos: Attracting Attention Attracting Attention What visuals use Motion Parallax to convey depth? a. b. What is it? Still visuals? Motion? Special v...
Cornell >> COMM >> 1300 (Spring, 2009)
Warning Concerning Copyright Restrictions The copyright law of the United States (Title 17, United States Code) governs the making of photocopies or other reproductions of copyrighted material. Under certain conditions specified in the law, libraries...
Cornell >> COMM >> 1300 (Spring, 2009)
Can Pictures Bridge Cultures? Messaris: Persuasion p. 91-93 Can Pictures Bridge Cultures? If images are closer than words to reality, (iconic and indexical) are they also an effective means of communicating across cultural boundaries? Proposition: ...
Cornell >> COMM >> 1300 (Spring, 2009)
The Basic Elements of Visuals The Dot The simplest, minimum unit of a visual Dots create the illusion of tone or color, and are used to construct lines, shapes and direction. The Basic Elements of Visuals The Line Can be defined as a dot in motion...
Cornell >> COMM >> 1300 (Spring, 2009)
Theoretical framework Indexical, Iconic and Symbolic Messaris: Persuasion-Intro Theoretical framework Iconic Signs Images which resemble some aspect of reality *Photographs of reality *Paintings *Stick figures Messaris: Persuasion-Intro Theoretic...
Cornell >> COMM >> 1300 (Spring, 2009)
Syntactical Indeterminacy: An Advantage or Liability? Syntactical Indeterminacy: Syntactical- Syntactical Indeterminacy: A Review Visuals lack a set of explicit devices for indicating causality, analogy, or any relationship other than space or ti...
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