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In the previous example, if the density ...

In the previous example, if the density of air `r = 1 . 22 kg //m^(3)` , then find the intensity of a sound wave of the largest amplitude tolerable to the human ear.

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Using ` I = (P_(3)^(2))/(2rhov)= ((30)^(2))/(2(1.22)(350)) = 1 . 05 W//m^(2)`
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