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college

posted by on .

You are trying to overhear a juicy conversation, but from your distance of 16.0 , it sounds like only an average whisper of 20.0 . So you decide to move closer to give the conversation a sound level of 65.0 instead.

How close should you come?

  • physical science? - ,

    Your school subject is NOT college.

  • college - ,

    You need to include the dimensions of the numbers you are quoting. Is the distance in meters? Is the sound level in decibels? Whatever it is, say so.

    A 45 dB increase in sound level is a factor of
    10^4.5 = 31,620
    increase in sound power per area.

    Use the inverse square law to see how close you have to get

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