A windows whose area is 2 m^2 opens on street where the street noise result in an intensity level at the window of 60 dB. How much ‘acoustic powder’ enters the window via

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A windows whose area is 2 m^2 opens on street where the street noise result in an intensity level at the window of 60 dB. How much ‘acoustic powder’ enters the window via
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Nov
A windows whose area is 2 m^2 opens on street where the street noise result in an intensity level at the window of 60 dB. How much ‘acoustic powder’ enters the window via A windows whose area is 2 m^2 opens on street where the street noise result in an intensity level at the window [...]
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