πŸš€ go-pugleaf

RetroBBS NetNews Server

Inspired by RockSolid Light RIP Retro Guy

Article View: sci.physics.relativity
Article #5403

Re: THE BEST EXPLANATION OF LENGTH CONTRACTION

#5403
From: Denis Feldmann
Date: Thu, 06 Mar 2008 20:31
15 lines
2143 bytes
Rudolf Drabek a οΏ½crit :
> 
> I'm not good in understanding SR.
> I only want to know if I look to the situation from the pole's frame:
> So the distance between the barn doors is in any case too short, that
> the pole can fit into the barn.
> SR is symmetrical for time dilatation and length contraction, but not
> for this situation.
> Who can help me out.

Easy: the whole scenario insist on *simultaneously closing the doors*, 
and simultaneity is not an absolute concept, so there is no 
contradiction. But, of course, any serious student of SR knows that, or 
can redemonstrate it to him(her)self convincingly, so you will only find 
crank answers here...
Technical Details
Message-ID: <fqpka6$34o$1@netfinity.fr>
Path: arc1-ca.pugleaf.net!g2news1.google.com!news3.google.com!proxad.net!feeder1-2.proxad.net!nntpfeed.proxad.net!news.netfinity.fr!netfinity.fr!not-for-mail
References: <4caf8a21-acd0-42de-a040-842dcad0e000@n77g2000hse.googlegroups.com> <c40a0034-d54c-4d9f-91af-7117209af32a@e31g2000hse.googlegroups.com>

Show Full Headers
Complete Article Headers
X-Google-Thread: 10f545,77eb89d693e39266
X-Google-Thread: 10b271,77eb89d693e39266
X-Google-Thread: fa4c1,77eb89d693e39266
X-Google-Thread: 1139f8,77eb89d693e39266
X-Google-Thread: f74ae,77eb89d693e39266
X-Google-Attributes: gid10f545,gid10b271,gidfa4c1,gid1139f8,gidf74ae,public,usenet
X-Google-Language: ENGLISH,ASCII
X-FeedAbuse: http://nntpfeed.proxad.net/abuse.pl feeded by 88.191.71.11
Path: arc1-ca.pugleaf.net!g2news1.google.com!news3.google.com!proxad.net!feeder1-2.proxad.net!nntpfeed.proxad.net!news.netfinity.fr!netfinity.fr!not-for-mail
From: Denis Feldmann <feldmann.denis.asupprimer@neuf.fr>
Newsgroups: sci.physics.relativity,sci.physics,fr.sci.physique,fr.sci.maths,sci.astro
Subject: Re: THE BEST EXPLANATION OF LENGTH CONTRACTION
Date: Thu, 06 Mar 2008 21:31:06 +0100
Organization: Netfinity NNTP Server
Lines: 15
Message-ID: <fqpka6$34o$1@netfinity.fr>
References: <4caf8a21-acd0-42de-a040-842dcad0e000@n77g2000hse.googlegroups.com> <c40a0034-d54c-4d9f-91af-7117209af32a@e31g2000hse.googlegroups.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 8bit
X-Trace: netfinity.fr VOXPf9GxTkkGBIX+SKWijTbDBxqnoGLzYPiVoxMpL3w=
X-Complaints-To: abuse@netfinity.fr
In-Reply-To: <c40a0034-d54c-4d9f-91af-7117209af32a@e31g2000hse.googlegroups.com>
X-Antivirus-Status: Clean
X-Antivirus: avast! (VPS 080306-0, 06/03/2008), Outbound message
User-Agent: Thunderbird 2.0.0.12 (Windows/20080213)