Displacement and presure in a longitudinal wave

Displacement and presure in a longitudinal wave -...

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Unformatted text preview: Displacement and Pressure Here is the figure showing the relationship between displacement and density (or pressure) for a longitudinal/compression wave. Although density and pressure are not exactly the same, they are qualitatively similar, so they are represented by a single graph. A tube of air with no sound. The equilibrium position of several air molecules is indicated. The same tube with a sound traveling down it. Some air has been displaced. x = s x A graph of the displacement , p x A graph of the density variation (or pressure variation). Note that the average density and pressure are not zero! ...
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This note was uploaded on 05/22/2008 for the course PHYS 125 taught by Professor Iyer during the Spring '08 term at SUNY Geneseo.

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