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QUESTION
Eavesdropping! you are trying to overhear a juicy conversation, but from your distance of 15m. it sounds like only an average whisper of 20 dB.
Eavesdropping! you are trying to overhear a juicy conversation, but from your distance of 15m. it sounds like only an average whisper of 20 dB. so you decide to move closer to give the conversation a sound level of 60 dB instead. how close should u come?
