The sound intensity level0.7 m from a jack hammer is 130 dB relative to the threshold ofhearing.
What is the soundintensity (W/m2) of the jack hammer operating at thisdistance?
How much acoustic power is produced by one jack hammer?
What is the soundintensity level (dB) at 0.7 m from two jack hammers?
How far do you have to gofrom the two jack hammers to reduce the sound intensity level tothe threshold of pain (120 dB)?