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April 21, 2014

Homework Help: Physics- PLEASE HELP

Posted by Anonymous on Thursday, December 6, 2012 at 7:56pm.

An interstate highway has been built though a poor neighborhood in a city. In the afternoon, the sound level in a rented room is 114.0 dB as 172 cars pass outside the window every minute. Late at night, the traffic flow is only 7 cars per minute.
(b) What is the sound intensity at night? (c) What is the average late-night sound level?

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