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Unformatted text preview: Physics 7C SSI 2010 Lecture 2: More with Waves Todays Agenda Review Describing Waves Graphically Describing Waves Mathematically: The wave equation New Stuff Total Phase and Phase Charts Wavefront Representation of a 2D or 3D wave Graphing Waves Check out longitudinal traveling wave application; Link on web page! How do we graph this wave with respect to position? Graphical Representation of Waves If we now take another snapshot of this wave at t = 1 s, what will be the distance between crests on this graph? A) 30 m B) 45 m C) 60 m D) 75 m E) 90 m Graphical Representation of Waves Considering the t = 1 s snapshot, at what position will the first trough be located? A) x = 0 m B) x = 15 m C) x = 30 m D) x = 45 m E) x = 60 m Graphical Representation of Waves Graphing with respect to time What does the yellow tell us? Graphical Representation of Waves If we now make another graph of this wave as a function of time at a location x = 30 m, what will be the distance in seconds between troughs on this graph?...
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 Summer '09
 COLEMAN
 Physics

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