At a rock concert there are two main speakers, each putting out 500 W of sound power. You are 5.00 m from one and 10.0 m from the other.
(a) What are the sound intensities at your location due to each speaker and what is the total sound intensity?
(b) What are the sound intensity levels at your location due to each speaker and what is the total sound intensity level?
(c) About how long can you sit there without suffering permanent hearing damage?