Question
1.3 A 2 kHz sound wave traveling in the x direction in airwas observed to have a differential pressure p(x,t) = 10 N/m²at x = 0 and t = 50 µs. If the reference phase of p(x,t) is 36°,find a complete expression for p(x,t). The velocity of sound in air is 330 m/s.
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