P221_2008_week14 - P221 Exam 3 Histogram 2 4 6 8 10 12 30...

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Unformatted text preview: P221 Exam 3 Histogram 2 4 6 8 10 12 30 35 40 45 50 55 60 65 70 75 80 Bin Frequency Frequency Average: 51.2/78 = 65.6 % Traveling waves Provide as concise a definition for the phase angle of a wave as you can manage. • The phase angle (phi) is a value that can be chosen so that the function gives some other displacement and slope at x=0 when t=0. (7) • the angle between a point on the wave and a reference point (5) • The phase angle is determined by kx-wt as determined by sine or cosine. Depends on the oscillation of and describes the linear movement of the wave it terms of time. (1) • An angle that changes linearly with time and position and that describes the “point” within a period at which an oscillating system finds itself (the argument of the sinusoid). Chapter 16 Problems Chapter 16 Problems Chapter 16 Problems Be careful, remember to look carefully at what it plotted!!! What is T?? What is λ ?? Extra Office Hours Exam Week • Monday (28 April): 1:30 to 3:30 • Tuesday (29 April): 11:00 to 12:00 and 1:30 to 3:30 • Final Exam is at 8:00-10:00 on Wednesday 30 April 2008 in SW 007 • Two waves are traveling along within the same medium. Each wave has the same amplitude and along a particular direction in space they are observed to oscillate in phase with each other....
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This note was uploaded on 01/21/2012 for the course ECE 476 taught by Professor Overbye,t during the Fall '08 term at University of Illinois, Urbana Champaign.

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P221_2008_week14 - P221 Exam 3 Histogram 2 4 6 8 10 12 30...

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