What is the average late-night sound level

Reference no: EM13552669

An interstate highway has been built through a neighborhood in a city. In the afternoon, the sound level in an apartment in the neighborhood is 70.0 dB as 110 cars pass outside the window every minute. Late at night, the traffic flow is only four cars per minute. What is the average late-night sound level? (Please provide numerical answer in dB)

Reference no: EM13552669

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What is the average late-night sound level : An interstate highway has been built through a neighborhood in a city. What is the average late-night sound level

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