A typical adult ear has a surface area of 156 atilde- 10-3, Ask an Expert

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A typical adult ear has a surface area of 1.56 Ã- 10-3 m2. The sound intensity during a normal conversation is about 3.94 Ã- 10-6 W/m2 at the listener's ear. Assume that the sound strikes the surface of the ear perpendicularly. How much power is intercepted by the ear?

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