Helium balloons in the car

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From: DLPorter (dpotasnik@earthlink.net)
Date: Mon May 21 2001 - 06:44:02 PDT 

Message-ID: <3B091BA2.7D6FC6A3@earthlink.net>
Date: Mon, 21 May 2001 06:44:02 -0700
From: DLPorter <dpotasnik@earthlink.net>
Subject: Helium balloons in the car

Question: why does a helium ballon move forward in an accellerating
car? I noticed this not long ago. I expect it has to do with its
buoyancy in air. Naturally it should obey Newton's first law, as should
the volume of air in which it's suspended. Thanks in advance.

David

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