P (10°N/m²)IA-4 Dickson has produced a loud soundin air at sea level. The graph of airpressure for the sound wave is shownto the right. The wave is describedby the equation p=pcos(kx- ot).1.021.011.00Treat the values on the x axis as exact.0.(They are not one significant figure.)0.10.20.3 0.40.5 0.60.7 0.8X(m)a) Use the graph and your knowledge of sound waves to find the numerical values (and units)of pm, k and w. Give your answers to 3 significant figures.b) Find the numerical value and units of the displacement amplitude Sm for this wave. Give your answersto 3 significant figures.c) Rewrite the following sentence and fill in the blanks.Sm is the maximum displacemnent ofin thedircction,(name the object)х, у, or z. AnswersIA-1 a) 0.0746W/m, Pm=8.13N/m, Sm7.30x10 mIA-2 a) pm=2.98x10 N/m, Sm-2.09x10mIA-3 Pm-2.98N/m", Sm 2.09x10°mIA-4 a) pm-1×10ʻN/m², k=15.7rad/m, o=5.39x10*rad/s b) Sm4.18x10 mc) Hints: What moves? Is sound a transverse or longitudinal wave?b) 0.858mb) pm-2.98x10 N/m², Sm=1.04x10llm

Solution: a) The wave is described by the equation is The amplitude of the wave is the maximum…

Answered: P (10°N/m?) IA-4 Dickson has produced a…

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