At the race track, one race car starts its engine with a resulting intensity level of 104.0 db at point p. then 6 more cars start their engines. if the other 6 cars each produce the same intensity level at point p as the first car, what is the new intensity level with all 7 cars running?
Answers: 3
is a reference intensity. It is the lowest or threshold intensity of sound a person with normal hearing can perceive at a frequency of 1000 Hz.
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