Article View: sci.physics.relativity
Article #7413Re: Rest mass
From: N:dlzc D:aol T:com (dlzc)
Date: Tue, 17 Jul 2007 01:10
Date: Tue, 17 Jul 2007 01:10
28 lines
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2540 bytes
Dear BURT: "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. It is a label. Do not spend a lot of time finding out how many nagels can dance on the head of that particular pin. > A proton or neutron outside the nucleus has more > mass than inside. A bound proton or neutron has > less mass. No, the *system* has less mass. The individual components have not fundamentally changed. > So which mass is to be considered fundamental? > the mass inside or outside? > The mass of a bound nucleon or a free one? Mass is not some immutable substance that we really need mythical words attached to it. If you form a certain configuration, photons are released, and the resultant "system that stays at rest" has less mass. David A. Smith
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X-Google-Thread: 10f545,26176ef729f272a6 X-Google-Thread: 10b271,f9b17e69bf88ca2d X-Google-Thread: 104cdc,f9b17e69bf88ca2d X-Google-Thread: fa4c1,f9b17e69bf88ca2d X-Google-Attributes: gid10f545,gid10b271,gid104cdc,gidfa4c1,public,usenet X-Google-Language: ENGLISH,ASCII-7-bit Path: arc1-ca.pugleaf.net!g2news1.google.com!news4.google.com!out02b.usenetserver.com!news.usenetserver.com!in02.usenetserver.com!news.usenetserver.com!in03.usenetserver.com!news.usenetserver.com!hwmnpeer01.phx!news.highwinds-media.com!hw-filter.phx!newsfe15.phx.POSTED!53ab2750!not-for-mail From: "N:dlzc D:aol T:com \(dlzc\)" <dlzc@aol.com> Newsgroups: sci.physics.relativity,sci.physics,sci.philosophy.tech,fr.sci.physique References: <1184313271.795043.94440@d30g2000prg.googlegroups.com> <LvSli.38021$YL5.212@newssvr29.news.prodigy.net> <1184394393.199242.180370@22g2000hsm.googlegroups.com> <1184396996.855175.254140@g4g2000hsf.googlegroups.com> <469b04ba$0$2992$61c65585@un-2park-reader-01.sydney.pipenetworks.com.au> <1184620136.419350.260440@m37g2000prh.googlegroups.com> Subject: Re: Rest mass Lines: 30 Organization: N:dlzc D:aol T:com (dlzc) X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2900.3138 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3138 X-RFC2646: Format=Flowed; Original Message-ID: <0GUmi.467104$ZA5.169995@newsfe15.phx> Date: Mon, 16 Jul 2007 18:10:31 -0700 NNTP-Posting-Host: 68.106.250.76 X-Complaints-To: admin@cox.net X-Trace: newsfe15.phx 1184634620 68.106.250.76 (Mon, 16 Jul 2007 18:10:20 MST) NNTP-Posting-Date: Mon, 16 Jul 2007 18:10:20 MST