A sound wave with intensity 1.8×(10^−3) W/m^2 is perceived to be modestly loud. Your eardrum is 6.3 mm in diameter. How much energy will be transferred to your eardrum while listening to this sound for 1.0 min?

Question

whpalmer4 · Answer

Find the area of your eardrum in square meters.  Multiply the intensity by the area and the time (in seconds) to get the energy transferred.

whpalmer4 · Answer

Do you think this is enough energy to appreciably move your head? :-)