Article View: sci.physics.relativity
Article #7352Re: Evil Twin Paradox
From: Pentcho Valev
Date: Tue, 07 Aug 2007 08:21
Date: Tue, 07 Aug 2007 08:21
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2390 bytes
On 6 AUG, 18:00, Tom Roberts <tjroberts...@sbcglobal.net> wrote in sci.physics.relativity: > David wrote: > > This problem is a variation of the barn-pole paradox. It is a simple > > application of the length contraction concept, [...] > > "Length contraction" applies ONLY TO A SINGLE, SPECIFIC PHYSICAL > SITUATION. It is quite easy to get confused if you think it applies in > general. You in particular do that repeatedly. > > You can ALWAYS resolve your confusions by applying the complete Lorentz > transform. Note that for non-parallel motions, as in your example, this > gets complicated. BUT IT IS THE ONLY WAY TO GET THE RIGHT ANSWER. > > Tom Roberts Roberts Roberts your teaching is again too abstract and your zombies will learn nothing. See how your brother hypnotist teaches his zombies how to trap a very long train inside a very short tunnel: http://www.youtube.com/watch?v=VSRIyDfo_mY&mode=related&search= Pentcho Valev
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X-Google-Thread: 10f545,e38037926dec91a2 X-Google-Thread: 10b271,7b1065cb480769e4,start X-Google-Thread: fa4c1,7b1065cb480769e4,start X-Google-Attributes: gid10f545,gid10b271,gidfa4c1,public,usenet X-Google-Language: ENGLISH,ASCII-7-bit Path: arc1-ca.pugleaf.net!g2news2.google.com!postnews.google.com!o61g2000hsh.googlegroups.com!not-for-mail From: Pentcho Valev <pvalev@yahoo.com> Newsgroups: sci.physics.relativity,sci.physics,fr.sci.physique Subject: Re: Evil Twin Paradox Date: Tue, 07 Aug 2007 01:21:11 -0700 Organization: http://groups.google.com Lines: 25 Message-ID: <1186474871.253818.105710@o61g2000hsh.googlegroups.com> References: <u87eb31kdqll2atvpp1bpqtja2i9n3718n@4ax.com> <nIGti.4647$Yz6.2383@newssvr22.news.prodigy.net> NNTP-Posting-Host: 85.91.141.159 Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" X-Trace: posting.google.com 1186474871 26146 127.0.0.1 (7 Aug 2007 08:21:11 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: Tue, 7 Aug 2007 08:21:11 +0000 (UTC) In-Reply-To: <nIGti.4647$Yz6.2383@newssvr22.news.prodigy.net> User-Agent: G2/1.0 X-HTTP-UserAgent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30),gzip(gfe),gzip(gfe) Complaints-To: groups-abuse@google.com Injection-Info: o61g2000hsh.googlegroups.com; posting-host=85.91.141.159; posting-account=ps2QrAMAAAA6_jCuRt2JEIpn5Otqf_w0