At the nearest houses the traffic on a motorway produces noise with an intensity of 10−6 W/m2 . An expansion of the motorway with additional lanes is expected to double the traffic. Calculate the intensity level in dB before and after the motorway expansion.
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At the nearest houses the traffic on a motorway produces noise with
an intensity of 10−6 W/m2
. An expansion of the motorway with additional lanes
is expected to double the traffic. Calculate the intensity level in dB before and after
the motorway expansion.
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