INTRODUCTION

INTRODUCTION - INTRODUCTION This course extends the ideas...

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INTRODUCTION This course extends the ideas of Newton's laws and energy concepts to oscillations and waves, including sound; to heat and temperature, the thermal properties of materials and the principles of thermodynamics; and to light, geometrical optics and lenses, and interference and diffraction. If the first course in the sequence dealt with the motion of objects - either single particles or collections of particles that can be treated as single objects (like balls or blocks), this course can be thought of as dealing with the collective motion of systems of particles. Spring systems, violin strings, liquids, and gases are interacting systems of large numbers of particles - but can be understood as systems without knowing how individual particles behave. Wave motion deals with the description of the motion of "disturbances" through media rather than the motion of objects. All thermodynamic processes are ultimately related to the microscopic motions of the atoms that make up the objects or systems being described. And finally, the ideas of wave motion will be applied to the wave nature of light itself - including how light propagates through materials - leading to the discussion of lenses and optical systems. This set of supplementary notes and problems has been assembled to give an overview of the main ideas of this course. It is intended to help you in your study by identifying the underlying principles and concepts and how they interrelate. You should not think of this supplement as a stand-alone text or a substitute for the lectures or discussions or your own study of the textbook itself. But rather you should look at each of the sections in this guide prior to beginning the chapters that cover the material in detail - and then again after you have spent time studying the chapters and working on the homework problems. The question and problem sets at the end of each of the sections are intended to make you think differently than the typical numerical homework exercises. Many of the questions are more suitable as discussion questions than as problems that you simply work out using standard techniques. You should use the questions and problems to periodically test your own understanding of the material. If you cannot explain the principles involved in these questions and problems, then you do not yet have a good grasp of the material. Nearly every question or problem in these sets has at some time been used as a quiz or test question. If you have trouble with questions of this type, go back to the textbook, your lecture notes, and the material presented in this supplement and look not at the equations but the ideas. And make good use of the other resources available to you - including instructor office hours. Physics is ultimately about the fundamental principles that apply to the behavior of objects and
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INTRODUCTION - INTRODUCTION This course extends the ideas...

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