University Physics with Modern Physics‎,‎ Technology Update‎,‎ Thirteenth Edition continues to set the benchmark for clarity and rigor combined with effective teaching and research‎-based innovation‎.‎ The Thirteenth Edition Technology Update contains QR codes throughout the textbook‎,‎ enabling you to use your smartphone or tablet to instantly watch interactive videos about relevant demonstrations or problem‎-solving strategies‎.‎ University Physics is known for its uniquely broad‎,‎ deep‎,‎ and thoughtful set of worked examples–key tools for developing both physical understanding and problem‎-solving skills‎.‎ The Thirteenth Edition revises all the Examples and Problem‎-solving Strategies to be more concise and direct while maintaining the Twelfth Edition‎'‎s consistent‎,‎ structured approach and strong focus on modeling as well as math‎.‎ To help you tackle challenging as well as routine problems‎,‎ the Thirteenth Edition adds Bridging Problems to each chapter‎,‎ which pose a difficult‎,‎ multiconcept problem and provide a skeleton solution guide in the form of questions and hints‎.‎ The text‎'‎s rich problem sets–developed and refined over six decades–are upgraded to include larger numbers of problems that are biomedically oriented or require calculus‎.‎ The problem‎-set revision is driven by detailed student‎-performance data gathered nationally through MasteringPhysics®‎,‎ making it possible to fine‎-tune the reliability‎,‎ effectiveness‎,‎ and difficulty of individual problems‎.‎ Complementing the clear and accessible text‎,‎ the figures use a simple graphic style that focuses on the physics‎.‎ They also incorporate explanatory annotations—a technique demonstrated to enhance learning‎.‎ This package consists of‎:‎ Univeristy Physics with Modern Physics Technology Update‎,‎ Volume 2 ‎(‎Chapters 21‎-27‎)‎‎,‎ Thirteenth Edition