Chap19_Vibrations-and-Waves

Chap19_Vibrations-and-Waves - Chapter 19 Vibrations Waves...

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Chapter 19 Vibrations & Waves
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Vibrations Vibrations are a common phenomenon. They are oscillatory motions about some position of equilibrium. Oscillating motion of a mass on a spring
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Period The time required for a full oscillation (one round trip) is called the period of oscillation. A 1-meter long pendulum has a period of two seconds per oscillation.
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Frequency Frequency is the inverse of the period, Frequency = For example, for a period of 2 seconds per oscillation, the frequency is ½ oscillation per second or 0.5 Hertz. 1 Hertz (Hz) = 1 oscillation per second. Period 1
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Amplitude The greatest distance from the position of equilibrium is the amplitude of oscillation. Amplitude
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Waves When vibrations “propagate” (i.e. move from one area to another), we get “waves”. Water waves Light waves Radio String
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Transverse Waves For transverse waves the wave’s amplitude is perpendicular to the wave’s motion. Amplitude
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This note was uploaded on 04/29/2010 for the course PHYS 100 taught by Professor Nidhalguessoum during the Spring '10 term at American University of Sharjah.

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Chap19_Vibrations-and-Waves - Chapter 19 Vibrations Waves...

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