Hugh D. Young Roger A. Freedman
University Physics has long been revered for its emphasis on fundamental principles and their applications. This fifteenth edition builds upon the Physics Education Re- search-based innovations of previous editions and continues to incorporate feed- back from students and instructors the world over.
The text is known for its clear, thorough, and accessible approach to physics, which has proven successful for millions of learners.
A consistent research-based approach to solving problems (Identify, Set-up, Execute, Evaluate), and numerous worked examples, build conceptu- al understanding and result in greater confidence in solving new and complex problems.
New Key Concept statements appear at the end of each example and sum- marize the overarching ideas explored in a given situation. This helps students consolidate key takeaways from each example and develop an informed ap- proach to different classes of problems.
Newly introduced Key Example Variation Problems construct a host of situations by changing a few variables at a time to demonstrate how seemingly disparate questions can be solved by identifying the same underlying principle.
Now in SI units, this Global Edition features relevant and extensively revised illustrations from around the world and employs the most up-to-date conventions. Also available for purchase is Mastering Physics, a digital suite featuring var- ied problems based on textbook content for additional practice. By combining trusted author content with digital tools developed to engage students, Master- ing personalizes learning and improves results for each student.
ABOUT THE COVER
The Gran Telescopio Canarias in the Canary Islands is the largest reflecting tele- scope in the world. It has an objective mirror of overall diameter 10.4 m made up of 36 separate hexagonal reflecting elements (see Chapter 34 for more on this topic).