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Chapter 16

# Chapter 16 - The Structure of Longitudinal Waves in Air...

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The Structure of Longitudinal Waves in Air Resonance The Doppler Effect Beats Shock Waves Standing Waves in a Column (We’ll do it next  time)
f f v sisting Intertiare ce storingfor v k t kx A t x y π ϖ λ π λ ϖ 2 Re 2 ) cos( ) , ( = = = = - =

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Longitudinal Wave  The particles of the medium undergo displacements parallel to the direction of  wave motion.  (e.g.  sound waves – regions of high and low pressure)

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BkA p = max The maximum pressure exerted by a sound wave  in a medium is: B = Bulk Modulus K = wave number A = Amplitude How might I change the pressure of a wave,  assuming I keep its wave equation the same?

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BkA p = max The maximum pressure exerted by a sound wave  in a medium is: B = Bulk Modulus K = wave number A = Amplitude If a wave goes from one material to another, what  happens to it?  Does the wave function change, or  not?  Defend your answer.
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Chapter 16 - The Structure of Longitudinal Waves in Air...

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