PHY138 – Waves, Lecture 1 New instructor for November and December

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PHY138 – Waves, Lecture 1 New instructor for November and December PHY138 – Waves, Lecture 1 New instructor for November and December!!! Jason Harlow Office: MP 251-A Email:

Sound Waves result from periodic oscillations of air molecules, which collide with their neighbours and create a propagating disturbance.

Electric and Magnetic fields, when oscillated, can create waves which carry energy. At the right frequency, we see electro-magnetic waves as Light.

Reading Assignment This week’s reading assignment from the text by Knight is: Chapter 14, Sections 14.1-14.8 There is a Problem Set due Friday on this material online at www.masteringphysics.com . Suggested Chapter 14 Exercises and Problems for Study and Practice: 13, 17, 23, 33, 51, 55, (77)

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Sinusoidal oscillations = Simple Harmonic Motion (SHM)

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