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Lecture 36 - Last Meeting Physics 231 General University...

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1 Physics 231 General University Physics Lecture 36 Lecture 9 1 Last Meeting Waves Lecture 9 2 Today Sinusoidal Waves Lecture 9 3 Lecture 9 4 Sinusoidal Waves The wave represented by the curve shown is a sinusoidal wave It is the same curve as sin θ plotted against θ This is the simplest example of a periodic continuous wave It can be used to build more complex waves Lecture 9 5 Sinusoidal Waves (cont.) The wave moves toward the right In the previous example, the brown curve represents the wave at time zero As the wave moves toward the right, at a later time it will be at the position of the blue curve Each element moves up and down in simple harmonic motion Distinguish between the motion of the wave and the motion of the particles of the medium
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