Physics, 25.01.2020 01:31 magicallyhello
30 seconds of exposure to 115 db sound can damage your hearing, but a much quieter 94 db may begin to cause damage after 1 hour of continuous exposure. you are going to an outdoor concert, and you'll be standing near a speaker that emits 50 w of acoustic power as a spherical wave. what minimum distance should you be from the speaker to keep the sound intensity level below 94 db?
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30 seconds of exposure to 115 db sound can damage your hearing, but a much quieter 94 db may begin t...
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