A typical adult ear has a surface area of about 210 10-3 m2, Physics

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A typical adult ear has a surface area of about 210 10-3 m2

A typical adult ear has a surface area of about 2.10 10-3 m2. The sound intensity during a normal conversation is about 3.20 10-6 W/m2 at the listener's ear. Assume the sound strikes the surface of the ear perpendicularly. How much power is intercepted by the ear?

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Physics: A typical adult ear has a surface area of about 210 10-3 m2

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