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.
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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Question
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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