Question: the sound intensity from a jack hammer 2 . 5 W / m ^ 2 at a distance of 2 . 0 m from the

the sound intensity from a jack hammer 2.5W/m^2 at a distance of 2.0m from the point of operation. (a) how many db is this ?(b) what is the sound intensity at a distance of 50m (c) how far away must a person be for the dB level to be 50dB

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