Re: Rest mass

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#7412

From: Jeckyl
Date: Mon, 16 Jul 2007 23:07

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"BURT" <macromitch@yahoo.com> wrote in message 
news:1184620136.419350.260440@m37g2000prh.googlegroups.com...
> Rest mass should be  considered the fundamental mass. But binding
> energy confuses this.
> A proton or neutron outside the nucleus has more mass than inside. A
> bound proton or neutron has less mass. So which mass is to be
> considered fundamental? the mass inside or outside?
> The mass of a bound nucleon or a free one?

A very good question.  That's the problem when mass and energy are so 
closely related. I'm not sure what the 'correct' answer is there.  Probably 
that both are the mass.  Mass can be 'converted' to energy.

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From: "Jeckyl" <noone@nowhere.com>
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Subject: Re: Rest mass
Date: Tue, 17 Jul 2007 09:07:05 +1000
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