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WHY I WROTE THIS BOOK Fun with a big challenge.That is how I have regarded physics since the day when Sharon, one of the students in a class I taught as a graduate student, suddenly demanded of me, “What has any of this got to do with my life?” Of course I immediately responded, “Sharon, this has everything to do with your life—this is physics.” She asked me for an example. I thought and thought but could not come up with a single one.That night I began writing the book The Flying Circus of Physics (John Wiley & Sons Inc., 1975) for Sharon but also for me because I realized her complaint was mine. I had spent six years slugging my way through many dozens of physics textbooks that were carefully written with the best of pedagogical plans, but there was something missing. Physics is the most interesting subject in the world because it is about how the world works, and yet the textbooks had been thoroughly wrung of any connection with the real world.The fun was missing. I have packed a lot of real-world physics into this HRW book, connecting it with the new edition of The Flying Circus of Physics. Much of the material comes from the HRW classes I teach, where I can judge from the faces and blunt comments what material and presentations work and what do not. The notes I make on my successes and failures there help form the basis of this book. My message here is the same as I had with every student I’ve met since Sharon so long ago: “Yes, you can reason from basic physics concepts all the way to valid conclusions about the real world, and that understanding of the real world is where the fun is.” I have many goals in writing this book but the overriding one is to provide instructors with tools by which they can teach students how to effectively read scientific material, identify fundamental concepts, reason through scientific questions, and solve quantitative problems. This process is not easy for either students or instructors. Indeed, the course associated with this book may be one of the most challenging of all the courses taken by a student. However, it can also be one of the most rewarding because it reveals the world’s fundamental clockwork from which all scientific and engineering applications spring. Many users of the eighth edition (both instructors and students) sent in comments and suggestions to improve the book.These improvements are now incorporated into the narrative and problems throughout the book. The publisher John Wiley & Sons and I regard the book as an ongoing project and encourage more input from users.You can send suggestions, corrections, and positive or negative comments to John Wiley & Sons or Jearl Walker (mail address: Physics Department, Cleveland State University, Cleveland, OH 44115 USA; or email address: [email protected]; or the blog site at www.flyingcircusofphysics. com).We may not be able to respond to all suggestions, but we keep and study each of them. LEARNINGS TOOLS Because today’s students have a wide range of learning styles, I have produced a wide range of learning tools, both in this new edition and online in WileyPLUS: ANIMATIONS of one of the key figures in each chapter. Here in the book, those figures are flagged with the swirling icon. In the online chapter in WileyPLUS, a mouse click begins the animation. I have chosen the figures that are rich in information so that a student can see the physics in action and played out over a minute or two instead of just being flat on a printed page. Not only does this give life to the physics, but the animation can be repeated as many times as a student wants. VIDEOS I have made well over 1000 instructional videos, with more coming each semester. Students can watch me draw or type on the screen as they hear me talk about a solution, tutorial, sample problem, or review, very much as they would experience were they sitting next to me in my office while I worked out something on a notepad. An instructor’s lectures and tutoring will always be the most valuable learning tools, but my videos are available 24 hours a day, 7 days a week, and can be repeated indefinitely. • Video tutorials on subjects in the chapters. I chose the subjects that challenge the students the most, the ones that my students scratch their heads about. • Video reviews of high school math, such as basic algebraic manipulations, trig functions, and simultaneous equations. • Video introductions to math, such as vector multiplication, that will be new to the students. • Video presentations of every Sample Problem in the textbook chapters (both 8e and 9e). My intent is to work out the physics, starting with the Key Ideas instead of just grabbing a formula. However, I also want to demonstrate how to read a sample problem, that is, how to read technical material to learn problem-solving procedures that can be transferred to other types of problems. • Video solutions to 20% of the end-of chapter problems. The availability and timing of these solutions are controlled by the instructor. For example, they might be available after a homework deadline or a quiz. Each solution is not simply a plug-and-chug recipe. Rather I build a solution from the Key Ideas to the first step of reasoning and to a final solution. The student learns not just how to solve a particular problem but how to tackle any problem, even those that require physics courage. • Video examples of how to read data from graphs (more than simply reading off a number with no comprehension of the physics). READING MATERIAL I have written a large number of reading resources for WileyPLUS. • Every sample problem in the textbook (both 8e and 9e) is available online in both reading and video formats. • Hundreds of additional sample problems. These are available as standalone resources but (at the discretion of the instructor) they are also linked out of the homework problems. So, if a homework problem deals with, say, forces on a block on a ramp, a link to a related sample problem is provided. However, the sample problem is not just a replica of the homework problem and thus does not provide a solution that can be merely duplicated without comprehension. • GO Tutorials for 10% of the end-of-chapter homework problems. In multiple steps, I lead a student through a homework problem, starting with the Key Ideas and giving hints when wrong answers are submitted. However, I purposely leave the last step (for the final answer) to the student so that they are responsible at the end. Some online tutorial systems trap a student when wrong answers are given, which can generate a lot of frustration. My GO Tutorials are not traps, because at any step along the way, a student can return to the main problem. • Hints on every end-of-chapter homework problem are available online (at the discretion of the instructor). I wrote these as true hints about the main ideas and the general procedure for a solution, not as recipes that provide an answer without any comprehension. EVALUATION MATERIALS Both self-evaluations and instructor evaluations are available. • Reading questions are available within each online section. I wrote these so that they do not require analysis or any deep understanding; rather they simply test whether a student has read the section.When a student opens up a section, a randomly chosen reading question (from a bank of questions) appears at the end. The instructor can decide whether the question is part of the grading for that section or whether it is just for the benefit of the student. • Checkpoints are available within most sections. I wrote these so that they require analysis and decisions about the physics in the section. Answers to all checkpoints are in the back of the book. • All end-of-chapter homework questions and problems in the book (and many more problems) are available in WileyPLUS. The instructor can construct a homework assignment and control how it is graded when the answers are submitted online. For example, the instructor controls the deadline for submission and how many attempts a student is allowed on an answer. The instructor also controls which, if any, learning aids are available with each homework problem. Such links can include hints, sample problems, in-chapter reading materials, video tutorials, video math reviews, and even video solutions (which can be made available to the students after, say, a homework deadline). • Symbolic notation problems are available in every chapter and require algebraic answers. DEMONSTRATIONS AND INTERACTIVE SIMULATIONS These have been produced by a number of instructors, to provide the experience of a computerized lab and lecture-room demonstrations. ART PROGRAM • Many of the figures in the book have been modified to make the physics ideas more pronounced. • At least one key figure per chapter has been greatly expanded so that its message is conveyed in steps. FLYING CIRCUS OF PHYSICS • Flying Circus material has been incorporated into the text in several ways: Sample Problems, text examples, and end-of-chapter Problems. The purpose of this is two-fold: (1) make the subject more interesting and engaging, (2) show the student that the world around them can be examined and understood using the fundamental principles of physics. • Links to The Flying Circus of Physics are shown throughout the text material and end-ofchapter problems with a biplane icon. In the electronic version of this book, clicking on the icon takes you to the corresponding item in Flying Circus. The bibliography of Flying Circus (over 11 000 references to scientific and engineering journals) is located at www.flyingcircusofphysics.com. SAMPLE PROBLEMS are chosen to demonstrate how problems can be solved with reasoned solutions rather than quick and simplistic plugging of numbers into an equation with no regard for what the equation means. KEY IDEAS in the sample problems focus a student on the basic concepts at the root of the solution to a problem. In effect, these key ideas say,“We start our solution by using this basic concept, a procedure that prepares us for solving many other problems.We don’t start by grabbing an equation for a quick plug-and-chug, a procedure that prepares us for nothing.” WHAT IS PHYSICS? The narrative of every chapter begins with this question, and with an answer that pertains to the subject of the chapter. (A plumber once asked me, “What do you do for a living?” I replied, “I teach physics.” He thought for several minutes and then asked,“What is physics?” The plumber’s career was entirely based on physics, yet he did not even know what physics is. Many students in introductory physics do not know what physics is but assume that it is irrelevant to their chosen career.) CHECKPOINT 1 The figure shows a circular path taken by a particle. If the instantaneous velocity of the particle is , through which quadrant is the particle moving at that instant if it is traveling (a) clockwise and (b) counterclockwise around the circle? For both cases, draw :v on the figure. v: [1] (2 m/s)iˆ (2 m/s)jˆ y x x y O θ0 v0 v0y v0x y O x O vx vy v
Deals with photonics in free space and special media such as anisotropic crystals. * Covers all important topics from Fourier optics, such as the properties of lenses, optical image processing, and holography to the Gaussian beam, light propagation in anisotropic media, external field effects, polarization of light and its major applications. * The book is self-contained and is suitable as a textbook for a two-semester course. * Provides a particularly good discussion of the electromagnetics of light in bounded media. * Only book that treats the two complementary topics, fiber and integrated optics. * Careful and thorough presentation of the topics that makes it well suited for courses and self study. * Includes numerous figures, problems and worked-out solutions. * Heavily illustrated with over 400 figures specially formatted to aid in comprehension.
NOTE: This loose-leaf, three-hole punched version of the textbook gives you the flexibility to take only what you need to class and add your own notes - all at an affordable price. For loose-leaf editions that include MyLab(tm) or Mastering(tm), several versions may exist for each title and registrations are not transferable. You may need a Course ID, provided by your instructor, to register for and use MyLab or Mastering products. For two- and three-semester university physics courses. ESSENTIAL UNIVERSITY PHYSICS VOLUME 1 contains CHAPTERS 1-19. Focus on the fundamentals and help students see connections between problem types Richard Wolfson''s Essential University Physics is a concise and progressive calculus-based physics textbook that offers clear writing, great problems, and relevant real-life applications in an affordable and streamlined text. The book teaches sound problem-solving strategies and emphasizes conceptual understanding, using features such as annotated figures and step-by-step problem-solving strategies. Realizing students have changed a great deal over time while the fundamentals of physics have changed very little, Wolfson makes physics relevant and alive for students by sharing the latest physics applications in a concise and captivating style. The 4th Edition incorporates research from instructors, reviewers, and thousands of students to expand the book''s problem sets and consistent problem-solving strategy. A new problem type guides students to see patterns, make connections between problems that can be solved using similar steps, and apply those steps when working problems on homework and exams. New digital tools and the interactive Pearson eText increase student interactivity to help them develop confidence in solving problems, deepen their conceptual understanding, and strengthen quantitative-reasoning skills. Essential University Physics is offered as two paperback volumes available together or for sale individually. Also available with Mastering Physics By combining trusted author content with digital tools and a flexible platform, Mastering personalizes the learning experience and improves results for each student.Now providing a fully integrated experience, the eText is linked to every problem within Mastering for seamless integration between homework problems, practice problems, textbook, worked examples, and more. Note: You are purchasing a standalone product; Mastering Physics does not come packaged with this content. Students, if interested in purchasing this title with Mastering Physics , ask your instructor for the correct package ISBN and Course ID. Instructors, contact your Pearson representative for more information. If you would like to purchase both volumes of the physical text (Chapters 1-39) and Mastering Physics, search for: 0134989287 / 9780134989280 Essential University Physics Plus Mastering Physics with Pearson eText -- Access Card Package Package consists of: 0134988558 / 9780134988559 Essential University Physics: Volume 1 0134988566 / 9780134988566 Essential University Physics: Volume 2 0135159695 / 9780135159699 Mastering Physics with Pearson eText -- ValuePack Access Card -- for Essential University Physics
Scientists and other keen observers of the natural world sometimes make or write a statement pertaining to scientific activity that is destined to live on beyond the brief period of time for which it was intended. This book serves as a collection of these statements from great philosophers and thought–influencers of science, past and present. It allows the reader quickly to find relevant quotations or citations. Organized thematically and indexed alphabetically by author, this work makes readily available an unprecedented collection of approximately 18,000 quotations related to a broad range of scientific topics.

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