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-----Original Message-----
From: Phys-l [mailto:phys-l-bounces@www.phys-l.org] On Behalf Of John
Denker
Sent: Wednesday, September 30, 2015 7:09 PM
To: Phys-L@Phys-L.org<mailto:Phys-L@Phys-L.org>
Subject: Re: [Phys-L] foundations of physics: Galilean relativity,
including KE
hence, all the energy of system A is mass.
Does not follow!
Here's an industrial-strength counterexample, where *none* of the
energy of system A is mass:
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