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Sound Waves

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1. The pressure in a traveling sound wave is given by the equation, as mentioned in the attachment. Find the (a) pressure amplitude, (b) frequency, (c) wavelength, and (d) speed of the wave.

2. Two sound waves, from two different sources with the same frequency, 540 Hz, travel in the same direction at 330 m/s. The sources are in phase. What is the phase difference of the waves at a point that is 4.40 m from one source and 4.00 m from the other?

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