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Groups > sci.physics > #518212

Re: The Wheels/Track Paradox

Newsgroups sci.physics
Date 2015-08-31 12:36 -0700
References (2 earlier) <mrs0np$9j0$4@speranza.aioe.org> <2fednQ9blYtjp37InZ2dnUU7-fednZ2d@giganews.com> <mrve94$qsh$2@speranza.aioe.org> <RpKdndHWaKVnzH7InZ2dnUU7_8ydnZ2d@giganews.com> <mrvl2d$fss$1@speranza.aioe.org>
Message-ID <40db124c-74ec-4de3-998f-e77af07932d5@googlegroups.com> (permalink)
Subject Re: The Wheels/Track Paradox
From "nuny@bid.nes" <Alien8752@gmail.com>

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On Sunday, August 30, 2015 at 12:20:52 PM UTC-7, Reginald Ehrett wrote:
> Tom Roberts wrote:
> 
> > On 8/30/15 8/30/15   12:24 PM, Reginald Ehrett wrote:
> >>> That said, I already answered: a *rolling* wheel can't exceed 1/2 C.
> >>
> >> We agree. As I can see it right now that wheel cannot exceed the ½c.
> > 
> > You are both wrong. The wheel's center/axle can move relative to the
> > track with any speed less than c, including speeds > ½c. The top of the
> > wheel never moves faster than c relative to the track, but it does
> > always move faster than the center/axle.
> > 
> > Yes, the wheel rotates -- that's easy to see by looking at it from the
> > rest frame of the center/axle.
> > 
> > I posted an analysis which I won't bother to repeat. You guys who assume
> > velocities simply add are just plain wrong.
> 
> Those things are rigidly connected. So I guess we have no choice.

  What do you think "rigid" means?


  Mark L. Fergerson

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Thread

The Wheels/Track Paradox Margarita Cibulkova <margac@terraspace.au> - 2015-08-28 12:47 +0000
  Re: The Wheels/Track Paradox Margarita Cibulkova <margac@terraspace.au> - 2015-08-28 12:51 +0000
    Re: The Wheels/Track Paradox Reginald Ehrett <chasi@competence.org> - 2015-08-30 15:58 +0000
      Re: The Wheels/Track Paradox Reginald Ehrett <chasi@competence.org> - 2015-08-30 16:00 +0000
        Re: The Wheels/Track Paradox Reginald Ehrett <chasi@competence.org> - 2015-08-30 17:22 +0000
          Re: The Wheels/Track Paradox Reginald Ehrett <chasi@competence.org> - 2015-08-30 17:35 +0000
            Re: The Wheels/Track Paradox Reginald Ehrett <chasi@competence.org> - 2015-08-30 19:27 +0000
  Re: The Wheels/Track Paradox Double-A <double-a3@hush.com> - 2015-08-28 12:30 -0700
    Re: The Wheels/Track Paradox Margarita Cibulkova <margac@terraspace.au> - 2015-08-28 19:55 +0000
      Re: The Wheels/Track Paradox Reginald Ehrett <chasi@competence.org> - 2015-08-30 09:53 +0000
        Re: The Wheels/Track Paradox Sam Wormley <swormley1@gmail.com> - 2015-08-30 15:43 -0500
  Re: The Wheels/Track Paradox Lofty Goat <rlwatkins@gmail.com> - 2015-08-28 16:30 -0500
    Re: The Wheels/Track Paradox Margarita Cibulkova <margac@terraspace.au> - 2015-08-29 10:15 +0000
      Re: The Wheels/Track Paradox pcardinale@volcanomail.com - 2015-08-29 06:33 -0700
        Re: The Wheels/Track Paradox john <johnsefton288@gmail.com> - 2015-08-29 07:59 -0700
          Re: The Wheels/Track Paradox Odd Bodkin <bodkinodd@gmail.com> - 2015-08-31 08:43 -0500
            Re: The Wheels/Track Paradox HVAC <Mr.HVAC@gmail.com> - 2015-08-31 10:32 -0400
              Re: The Wheels/Track Paradox Reginald Ehrett <chasi@competence.org> - 2015-08-31 18:43 +0000
                Re: The Wheels/Track Paradox HVAC <Mr.HVAC@gmail.com> - 2015-08-31 14:58 -0400
      Re: The Wheels/Track Paradox Lofty Goat <rlwatkins@gmail.com> - 2015-08-30 12:18 -0500
        Re: The Wheels/Track Paradox Reginald Ehrett <chasi@competence.org> - 2015-08-30 17:24 +0000
          Re: The Wheels/Track Paradox Tom Roberts <tjroberts137@sbcglobal.net> - 2015-08-30 13:56 -0500
            Re: The Wheels/Track Paradox Reginald Ehrett <chasi@competence.org> - 2015-08-30 19:20 +0000
              Re: The Wheels/Track Paradox "nuny@bid.nes" <Alien8752@gmail.com> - 2015-08-31 12:36 -0700
                Re: The Wheels/Track Paradox Reginald Ehrett <chasi@competence.org> - 2015-08-31 19:56 +0000
                Re: The Wheels/Track Paradox "reber g=emc^2" <herbertglazier0@gmail.com> - 2015-08-31 13:29 -0700
  Re: The Wheels/Track Paradox xxein1@att.net - 2015-08-28 15:29 -0700
    Re: The Wheels/Track Paradox Margarita Cibulkova <margac@terraspace.au> - 2015-08-29 10:34 +0000
    Re: The Wheels/Track Paradox Margarita Cibulkova <margac@terraspace.au> - 2015-08-29 10:38 +0000
  Re: The Wheels/Track Paradox Tom Roberts <tjroberts137@sbcglobal.net> - 2015-08-28 20:22 -0500
    Re: The Wheels/Track Paradox Margarita Cibulkova <margac@terraspace.au> - 2015-08-29 10:08 +0000
      Re: The Wheels/Track Paradox moroney@world.std.spaamtrap.com (Michael Moroney) - 2015-08-29 11:23 +0000
        Re: The Wheels/Track Paradox Margarita Cibulkova <margac@terraspace.au> - 2015-08-29 11:50 +0000
          Re: The Wheels/Track Paradox "Photon Beam" <none@gmail.com> - 2015-08-29 08:03 -0700
      Re: The Wheels/Track Paradox Tom Roberts <tjroberts137@sbcglobal.net> - 2015-08-29 13:51 -0500
        Re: The Wheels/Track Paradox Margarita Cibulkova <margac@terraspace.au> - 2015-08-29 19:27 +0000
          Re: The Wheels/Track Paradox "nuny@bid.nes" <Alien8752@gmail.com> - 2015-08-29 12:55 -0700
          Re: The Wheels/Track Paradox Double-A <double-a3@hush.com> - 2015-08-29 13:05 -0700
            Re: The Wheels/Track Paradox Margarita Cibulkova <margac@terraspace.au> - 2015-08-29 20:18 +0000
        Re: The Wheels/Track Paradox jaymoseley@hotmail.com - 2015-08-29 18:18 -0700
    Re: The Wheels/Track Paradox jaymoseley@hotmail.com - 2015-08-29 11:49 -0700
  Re: The Wheels/Track Paradox "reber g=emc^2" <herbertglazier0@gmail.com> - 2015-08-29 12:39 -0700
    Re: The Wheels/Track Paradox HVAC <Mr.HVAC@gmail.com> - 2015-08-29 16:20 -0400
      Re: The Wheels/Track Paradox john <johnsefton288@gmail.com> - 2015-08-29 14:38 -0700
        Re: The Wheels/Track Paradox noTthaTguY <abu.kuanysh05@gmail.com> - 2015-08-29 21:13 -0700
        Re: The Wheels/Track Paradox jaymoseley@hotmail.com - 2015-08-30 05:35 -0700
          Re: The Wheels/Track Paradox noTthaTguY <abu.kuanysh05@gmail.com> - 2015-08-30 08:36 -0700
  Re: The Wheels/Track Paradox Sylvia Else <sylvia@not.at.this.address> - 2015-08-30 14:44 +1000
    Re: The Wheels/Track Paradox Reginald Ehrett <chasi@competence.org> - 2015-08-30 10:21 +0000
    Re: The Wheels/Track Paradox jaymoseley@hotmail.com - 2015-09-01 02:45 -0700
  Re: The Wheels/Track Paradox Reginald Ehrett <chasi@competence.org> - 2015-08-30 10:04 +0000
  Re: The Wheels/Track Paradox Reginald Ehrett <chasi@competence.org> - 2015-08-30 13:34 +0000
    Re: The Wheels/Track Paradox Reginald Ehrett <chasi@competence.org> - 2015-08-30 15:35 +0000

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