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Re: Separation of Accelerating Observers in Special Relativity

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On 12/20/2023 11:29 PM, Tom Roberts wrote:
> On 12/20/23 1:06 PM, Mike Fontenot wrote:
>> On 12/20/23 11:44 AM, Tom Roberts wrote:
>>> Assuming the person on the trailing rocket measures the separation
>>>  simultaneously in their successive instantaneously co-moving 
>>> inertial frames, that separation MUST successively increase.
>>
>> That's NOT the way person on the trailing rocket measures the 
>> separation!  He measures the separation with a tape measure, and
>> THAT shows the separation is constant.
> 
> WHAT tape measure? -- none is specified in the problem.
> 
> Add one and you're still wrong:
> To qualify as a tape measure, it must execute Born rigid motion, nailed
> down only at the trailing rocket -- this makes it always be at rest in
> the instantaneously co-moving inertial frame of the trailing rocket, so
> this is no different from what I said above. Born rigid motion requires
> the leading end of the tape measure to have a smaller proper
> acceleration than the trailing rocket, with the difference evenly spread
> out along its length. Note the two rockets do not execute Born rigid
> motion, because they have equal proper accelerations; the leading rocket
> has a larger proper acceleration than the leading end of the tape
> measure, and thus pulls away from it. So the tape measure shows the
> separation is increasing. This is no different from what I said above.
> 
> I do not know why Fontenot keeps getting this wrong. Or why he keeps
> ignoring me when I tell him this. Or why he ignores the voluminous
> literature on this. He has been obsessing over this scenario for many
> years, gets it wrong, and refuses to THINK about it -- see THINK 1 and
> THINK 2 of my previous message for a very simple demonstration of my
> claims.
> 
> Tom Roberts

Wasting your time. But then it is yours to waste.

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Separation of Accelerating Observers in Special Relativity Mike Fontenot <mlfasf@comcast.net> - 2023-12-17 17:46 -0700
  Re: Separation of Accelerating Observers in Special Relativity Tom Roberts <tjoberts137@sbcglobal.net> - 2023-12-18 21:12 -0600
    Re: Separation of Accelerating Observers in Special Relativity Mike Fontenot <mlfasf@comcast.net> - 2023-12-19 09:06 -0700
      Re: Separation of Accelerating Observers in Special Relativity RichD <r_delaney2001@yahoo.com> - 2023-12-19 16:30 -0800
  Re: Separation of Accelerating Observers in Special Relativity Mikko <mikko.levanto@iki.fi> - 2023-12-19 12:25 +0200
  Re: Separation of Accelerating Observers in Special Relativity RichD <r_delaney2001@yahoo.com> - 2023-12-19 16:46 -0800
    Re: Separation of Accelerating Observers in Special Relativity Samille Bass <sble@bsslsmaa.ib> - 2023-12-20 01:27 +0000
    Re: Separation of Accelerating Observers in Special Relativity Tom Roberts <tjoberts137@sbcglobal.net> - 2023-12-20 12:44 -0600
      Re: Separation of Accelerating Observers in Special Relativity Mike Fontenot <mlfasf@comcast.net> - 2023-12-20 12:06 -0700
        Re: Separation of Accelerating Observers in Special Relativity Tom Roberts <tjoberts137@sbcglobal.net> - 2023-12-20 23:29 -0600
          Re: Separation of Accelerating Observers in Special Relativity Mike Fontenot <mlfasf@comcast.net> - 2023-12-21 12:48 -0700
            Re: Separation of Accelerating Observers in Special Relativity Tom Roberts <tjoberts137@sbcglobal.net> - 2023-12-23 14:42 -0600
              Re: Separation of Accelerating Observers in Special Relativity Mike Fontenot <mlfasf@comcast.net> - 2023-12-23 17:13 -0700
                Re: Separation of Accelerating Observers in Special Relativity Tom Roberts <tjoberts137@sbcglobal.net> - 2023-12-24 11:31 -0600
                Re: Separation of Accelerating Observers in Special Relativity Ross Finlayson <ross.a.finlayson@gmail.com> - 2023-12-24 10:48 -0800
                Re: Separation of Accelerating Observers in Special Relativity Ross Finlayson <ross.a.finlayson@gmail.com> - 2023-12-24 12:03 -0800
                Re: Separation of Accelerating Observers in Special Relativity Ross Finlayson <ross.a.finlayson@gmail.com> - 2023-12-25 00:38 -0800
                Re: Separation of Accelerating Observers in Special Relativity Ross Finlayson <ross.a.finlayson@gmail.com> - 2023-12-26 10:21 -0800
                Re: Separation of Accelerating Observers in Special Relativity Ross Finlayson <ross.a.finlayson@gmail.com> - 2023-12-27 10:20 -0800
                Re: Separation of Accelerating Observers in Special Relativity Ross Finlayson <ross.a.finlayson@gmail.com> - 2023-12-27 12:08 -0800
                Re: Separation of Accelerating Observers in Special Relativity Ross Finlayson <ross.a.finlayson@gmail.com> - 2023-12-30 00:56 -0800
                Re: Separation of Accelerating Observers in Special Relativity Ross Finlayson <ross.a.finlayson@gmail.com> - 2024-01-01 14:47 -0800
                Re: Separation of Accelerating Observers in Special Relativity Maciej Wozniak <maluwozniak@gmail.com> - 2024-01-01 21:12 -0800
                Re: Separation of Accelerating Observers in Special Relativity Ross Finlayson <ross.a.finlayson@gmail.com> - 2024-01-01 22:27 -0800
                Re: Separation of Accelerating Observers in Special Relativity Maciej Wozniak <maluwozniak@gmail.com> - 2024-01-01 22:58 -0800
                Re: Separation of Accelerating Observers in Special Relativity Mike Fontenot <mlfasf@comcast.net> - 2023-12-24 12:14 -0700
                Re: Separation of Accelerating Observers in Special Relativity Tom Roberts <tjoberts137@sbcglobal.net> - 2023-12-24 15:13 -0600
                Re: Separation of Accelerating Observers in Special Relativity Mike Fontenot <mlfasf@comcast.net> - 2023-12-25 11:04 -0700
                Re: Separation of Accelerating Observers in Special Relativity Tom Roberts <tjoberts137@sbcglobal.net> - 2023-12-25 13:38 -0600
                Re: Separation of Accelerating Observers in Special Relativity Mike Fontenot <mlfasf@comcast.net> - 2023-12-25 13:25 -0700
                Re: Separation of Accelerating Observers in Special Relativity Tom Roberts <tjoberts137@sbcglobal.net> - 2023-12-25 23:56 -0600
                Re: Separation of Accelerating Observers in Special Relativity Mike Fontenot <mlfasf@comcast.net> - 2023-12-26 09:52 -0700
                Re: Separation of Accelerating Observers in Special Relativity Tom Roberts <tjoberts137@sbcglobal.net> - 2023-12-26 15:38 -0600
                Re: Separation of Accelerating Observers in Special Relativity Maciej Wozniak <maluwozniak@gmail.com> - 2023-12-26 22:35 -0800
                Re: Separation of Accelerating Observers in Special Relativity Mike Fontenot <mlfasf@comcast.net> - 2023-12-27 06:51 -0700
                Re: Separation of Accelerating Observers in Special Relativity Maciej Wozniak <maluwozniak@gmail.com> - 2023-12-27 06:03 -0800
                Re: Separation of Accelerating Observers in Special Relativity rotchm <rotchm@gmail.com> - 2023-12-27 06:26 -0800
                Re: Separation of Accelerating Observers in Special Relativity Maciej Wozniak <maluwozniak@gmail.com> - 2023-12-27 06:34 -0800
                Re: Separation of Accelerating Observers in Special Relativity Tom Roberts <tjoberts137@sbcglobal.net> - 2023-12-27 08:39 -0600
                Re: Separation of Accelerating Observers in Special Relativity Maciej Wozniak <maluwozniak@gmail.com> - 2023-12-27 07:03 -0800
                Re: Separation of Accelerating Observers in Special Relativity Mike Fontenot <mlfasf@comcast.net> - 2023-12-27 13:29 -0700
                Re: Separation of Accelerating Observers in Special Relativity Ross Finlayson <ross.a.finlayson@gmail.com> - 2023-12-27 21:14 -0800
                Re: Separation of Accelerating Observers in Special Relativity Mike Fontenot <mlfasf@comcast.net> - 2023-12-30 13:40 -0700
                Re: Separation of Accelerating Observers in Special Relativity Tom Roberts <tjoberts137@sbcglobal.net> - 2024-01-01 17:32 -0600
                Re: Separation of Accelerating Observers in Special Relativity Maciej Wozniak <maluwozniak@gmail.com> - 2024-01-01 21:11 -0800
                Re: Separation of Accelerating Observers in Special Relativity Mike Fontenot <mlfasf@comcast.net> - 2024-01-02 09:28 -0700
                Re: Separation of Accelerating Observers in Special Relativity Ross Finlayson <ross.a.finlayson@gmail.com> - 2024-01-02 13:14 -0800
                Re: Separation of Accelerating Observers in Special Relativity Tom Roberts <tjoberts137@sbcglobal.net> - 2024-01-01 11:42 -0600
                Re: Separation of Accelerating Observers in Special Relativity Mike Fontenot <mlfasf@comcast.net> - 2024-01-01 10:58 -0700
                Re: Separation of Accelerating Observers in Special Relativity Tom Roberts <tjoberts137@sbcglobal.net> - 2024-01-01 12:07 -0600
                Re: Separation of Accelerating Observers in Special Relativity RichD <r_delaney2001@yahoo.com> - 2023-12-28 19:16 -0800
                Re: Separation of Accelerating Observers in Special Relativity rotchm <rotchm@gmail.com> - 2023-12-26 13:48 -0800
                Re: Separation of Accelerating Observers in Special Relativity Mike Fontenot <mlfasf@comcast.net> - 2023-12-26 10:12 -0700
                Re: Separation of Accelerating Observers in Special Relativity Volney <volney@invalid.invalid> - 2023-12-25 21:41 -0500
              Re: Separation of Accelerating Observers in Special Relativity Maciej Wozniak <maluwozniak@gmail.com> - 2023-12-25 04:32 -0800
          Re: Separation of Accelerating Observers in Special Relativity Mikko <mikko.levanto@iki.fi> - 2023-12-22 16:29 +0200
          Re: Separation of Accelerating Observers in Special Relativity whodat <whodaat@void.nowgre.com> - 2023-12-22 15:53 -0600

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