Slide 1Today: Sound (Ch 20) Homework due today Looking ahead: Apr 11 is the next midterm; Chs. 11, 13, 14, 15, 19, 20, 22 Slide 2 Preliminaries What is the origin of sound?…

Introduction to Electricity •Symbol: (q) •Unit: Coulomb (C) –The fundamental electric quantity is charge. –Atoms are composed of charge carrying particles: electrons…

Slide 1Today: Finish Vibrations and Waves (Ch 19) Sound (Ch 20) Slide 2 Preliminaries What is the origin of sound? Vibrations of objects, e.g. of a string, of a reed, of…

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Slide 1 Introduction to Electricity Slide 2 Symbol: (q) Unit:Coulomb (C) –The fundamental electric quantity is charge. –Atoms are composed of charge carrying particles:…

Introduction to Electricity Symbol: (q) Unit: Coulomb (C) The fundamental electric quantity is charge. Atoms are composed of charge carrying particles: electrons and protons,…

Today: Today: Finish Vibrations and Waves (Ch 19) Sound (Ch 20) 1 Preliminaries What is the origin of sound? Vibrations of objects, e.g. of a string, of a reed, of vocal…