Chapter 13

# Chapter 13 - CHAPTER 13 13.1 Wave Equation v=f=T Simple...

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CHAPTER 13 13.1 Wave Equation: = = v λf λT Simple Harmonic Motion – motion creates a wave that moves away from the source at its own velocity Transverse – when the direction of travel of the wave is perpendicular to the motion of the source Longitudinal (sin graph) – when the travel of the wave is parallel to the motion of the source, the wave is longitudinal 13.2 Sound is longitudinal as are all waves involving air particles vibrating Compressions – the dense areas of air transmitting a sound wave Rarefractions – less dense areas of air transmitting a sound wave The stiffer the material, the faster the speed of sound The disturbance (particle collision) is transmitted not the individual particles TRANSMISSION OF VOICE 1. Vibration from voice box set up a pressure fluctuation causing neighboring air pressure to change 2. This pattern through the air is continued and no net movement of air takes place. 3.

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Chapter 13 - CHAPTER 13 13.1 Wave Equation v=f=T Simple...

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