Question

A typical adult ear has a surface area of 2.16 x 103 m2. The sound intensity during a normal conversation is about 3.91 x 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? Centre cerca 09 2,40 the sound intensity during a normal conversation is about 3.91 * 10€ wym® at the listene's ea. Assume that the sound strikes the surface of the ear Number Units

Answer 1

A = 2.16 x 103 m² I = 3.91 x 106 W/m² Pouce is P= IA The = (3.91 X106) + (2.16x103) W IP - 8.4456 x 109 wl 10 ANSWER