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SOUND IS… SOUND IS…

SOUND IS… - PowerPoint Presentation

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olivia-moreira . @olivia-moreira
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Uploaded On 2016-03-31

SOUND IS… - PPT Presentation

SOUND IS for our purposes Movement of the air that happens at human hearing frequencies 20 20000 cycles per second The easiest case to imagine is a monopole sound source Imagine a ball suspended in the air that expands and contracts pushing and pulling on the air around it ID: 272079

wavelength sound air frequency sound wavelength frequency air object cycles 440 compressed rarified feet wave 1128 time speed encounters

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