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September 1, 2014

Homework Help: physics

Posted by Marco on Saturday, December 3, 2011 at 6:27pm.

A member of an aircraft maintenance crew wears protective earplugs that reduce the sound intensity by a factor of 355. When a jet aircraft is taking off, the sound intensity level experienced by the crew member is 72 dB. What sound intensity level would the crew member experience if he removed the protective earplugs?

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