<p><b>An updated and thoroughly revised third edition of the foundational text offering an introduction to physics with a comprehensive interactive website</b></p><p>The revised and updated third edition of <i>Understanding Physics</i> presents a comprehensive introduction to college-level physics. Written with today''s students in mind, this compact text covers the core material required within an introductory course in a clear and engaging way. The authors ¿ noted experts on the topic ¿ offer an understanding of the physical universe and present the mathematical tools used in physics.</p><p>The book covers all the material required in an introductory physics course. Each topic is introduced from first principles so that the text is suitable for students without a prior background in physics. At the same time the book is designed to enable students to proceed easily to subsequent courses in physics and may be used to support such courses. Relativity and quantum mechanics are introduce