16100lectre42_cj

16100lectre42_cj - stationary sound source (like a lecturer...

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Propagation of Disturbances By a Moving Object Consider an object moving at speed V : Suppose that the atmospheric speed of sound is a . The body emits sound waves as it travels through the atmosphere and these wave propagate away from the body at speed a in an isotropic manner. For example, consider a
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Unformatted text preview: stationary sound source (like a lecturer or a stereo speaker): 1 1 at R = ⇒ & 2 2 at R = 1 Vt 3 t 2 t 1 t = t V Sound waves at time t 2 R 1 R a a Sound wave emitted at 2 t t = Sound wave emitted at 1 t t =...
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This note was uploaded on 11/06/2011 for the course AERO 100 taught by Professor Willcox during the Fall '03 term at MIT.

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