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# The figure shows the output from a pressure monitor mounted at a point along the path takenby a sound wave ol J single frequency travelingat 343 MVs through air wi...

## Question

###### The figure shows the output from a pressure monitor mounted at a point along the path takenby a sound wave ol J single frequency travelingat 343 MVs through air with a uniform density of 141kg/in: The vertical axis scaleis set by 4ps- 4.00 mPa Ifthe displacement furkction of the wave is written as slx t) Sm cos(kx Wt}, what are (a) S (b) k and (c) (? Theair is then cooled so that its density is 1.35 kz/m? and the speed of sound wave throughit is 321Ms The sound source again emits the sound wav

The figure shows the output from a pressure monitor mounted at a point along the path takenby a sound wave ol J single frequency travelingat 343 MVs through air with a uniform density of 141kg/in: The vertical axis scaleis set by 4ps- 4.00 mPa Ifthe displacement furkction of the wave is written as slx t) Sm cos(kx Wt}, what are (a) S (b) k and (c) (? Theair is then cooled so that its density is 1.35 kz/m? and the speed of sound wave throughit is 321Ms The sound source again emits the sound wave at the same frequency and same pressure amplitude: What noware (d) sm (e) k and (f) t? (mPul

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