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Re: Sound proofing

To: mgs <>
Subject: Re: Sound proofing
From: Bullwinkle <>
Date: Fri, 07 Sep 2001 11:01:48 -0600

Don't confuse mass with density.  Mass is weight.  Density is how
closely packed the molecules are.  Usually density is proportioal
with mass when considering equal volumes.  A pound of feathers
and a pound of iron have the same weight (mass) but not the same
density or volume.


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