30 seconds of exposure to 115 dB sound can damage your hearing, but a much quieter 94 dB may beg

Name: 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 ?
Uploaded: 2023-06-13T18:20:11-08:00
Duration: 1 min 4 s
Channel: Adi S
Description: 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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Vivek K · Accepted Answer

First, we need to find the intensity of the sound at 94 dB. We can use the formula for sound int

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