A typical adult ear has a surface area of 2.1 10 3 m 2 . The
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A typical adult ear has a surface area of 2.1 × 10−3 m2. The sound intensity during a normal conversation is about 3.2 × 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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Related Book For 
Physics
ISBN: 9781119539636
11th Edition
Authors: John D. Cutnell, Kenneth W. Johnson, David Young, Shane Stadler
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