Question: Pls include workings and formulas 4 . The figure below shows the pressure variation for a particular sound moving to the right. The speed of

Pls include workings and formulas

4 . The figure below shows the pressure variation for a particular sound moving to the right. The speed of the sound is 330 m s-!. Pressure Direction of propagation of sound Distance (m) 0.1 0.3 0.5 0.7 a. On the axes provided above, draw the pressure variation of the sound three-quarters of a period later than the instant shown in the figure. (2 mark b. Determine the frequency of this sound wave. (2 marks

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