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04-13-2008, 01:21 AM
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| Mechanical Waves and Sounds -- Physics Help?
You are trying to overhear a juicy conversation, but from your distance of 24.0 m, it sounds like only an average whisper of 30.0 dB. So you decide to move closer to give the conversation a sound level of 75.0 dB instead. How close should you come? d= ?cm      |
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