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Re: I Received No Reply to My Question . Here it is Again

From Sylvia Else <sylvia@email.invalid>
Newsgroups sci.physics.relativity
Subject Re: I Received No Reply to My Question . Here it is Again
Date 2023-05-10 19:25 +1000
Message-ID <kc167rFs4vlU1@mid.individual.net> (permalink)
References <175daf539719317d$135$1853841$53d3d9df@news.newsgroupdirect.com> <kc0ms6Fpr5pU2@mid.individual.net> <175db69463e6257e$127$367103$c1d34bd6@news.newsgroupdirect.com>

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On 10-May-23 5:09 pm, Jane wrote:
> On Wed, 10 May 2023 15:03:02 +1000, Sylvia Else wrote:
> 
>> On 10-May-23 2:56 pm, Jane wrote:
>>> Let's do an experiment.
>>>
>>> 1) We will fire golf balls from a machine gun at the rate of ten per
>>> second. Their speed is v and spacing is L.
>>> 2) We will then fire golf balls THAT ARE SPINNING at 20rps from the
>>> machine gun at the rate of ten per second. Their speed is again v and
>>> spacing is again L.
>>
>> Is that the rate of spin in the frame of the centres of the balls, or in
>> the frame of the gun?
> 
> OK, let me redesign the experiment slightly
> Instead of golf balls we will use arrows.
> 
> 1) We will fire arrows of length L from a machine gun at the rate of ten
> per second. Their speed is v and spacing is now zero.
> 2) We will fire SPINNING arrows of length L from a machine gun at the
> rate of ten per second.  Again their speed is v and spacing is zero.
> 
> How would one ascribe a 'frequency' to the arrows in the two cases?
> Does the line of arrows itself possess any definable 'frequency'?
> 
> 
This brings us back to Jan's question, which you didn't answer: What do 
you mean by the frequency of the arrows?

Also, what do you think making the arrows spin has to do with anything?

Sylvia.

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I Received No Reply to My Question . Here it is Again Jane <Jane@home.com> - 2023-05-10 04:56 +0000
  Re: I Received No Reply to My Question . Here it is Again JanPB <filmart@gmail.com> - 2023-05-09 21:59 -0700
  Re: I Received No Reply to My Question . Here it is Again Sylvia Else <sylvia@email.invalid> - 2023-05-10 15:03 +1000
    Re: I Received No Reply to My Question . Here it is Again Jane <Jane@home.com> - 2023-05-10 07:09 +0000
      Re: I Received No Reply to My Question . Here it is Again Sylvia Else <sylvia@email.invalid> - 2023-05-10 19:25 +1000
        Re: I Received No Reply to My Question . Here it is Again Jane <Jane@home.com> - 2023-05-10 23:46 +0000
          Re: I Received No Reply to My Question . Here it is Again JanPB <filmart@gmail.com> - 2023-05-11 11:04 -0700
            Re: I Received No Reply to My Question . Here it is Again Jane <Jane@home.com> - 2023-05-11 23:23 +0000
              Re: I Received No Reply to My Question . Here it is Again "gehan.am...@gmail.com" <gehan.ameresekere@gmail.com> - 2023-05-11 19:23 -0700
                Re: I Received No Reply to My Question . Here it is Again Domingo Vassilopulos <gdag@iipmugao.op> - 2023-05-12 11:49 +0000
                Re: I Received No Reply to My Question . Here it is Again Jane <Jane@home.com> - 2023-05-13 00:20 +0000
                Re: I Received No Reply to My Question . Here it is Again "gehan.am...@gmail.com" <gehan.ameresekere@gmail.com> - 2023-05-12 19:45 -0700
                Re: I Received No Reply to My Question . Here it is Again Jane <Jane@home.com> - 2023-05-14 01:27 +0000
                Re: I Received No Reply to My Question . Here it is Again nospam@de-ster.demon.nl (J. J. Lodder) - 2023-05-13 10:26 +0200
                Re: I Received No Reply to My Question . Here it is Again Jane <Jane@home.com> - 2023-05-14 01:33 +0000
                Re: I Received No Reply to My Question . Here it is Again nospam@de-ster.demon.nl (J. J. Lodder) - 2023-05-15 21:07 +0200
                Re: I Received No Reply to My Question . Here it is Again Jane <Jane@home.com> - 2023-05-17 01:51 +0000
                Re: I Received No Reply to My Question . Here it is Again Paul Alsing <pnalsing@gmail.com> - 2023-05-16 21:02 -0700
                Re: I Received No Reply to My Question . Here it is Again Jane <Jane@home.com> - 2023-05-17 23:09 +0000
                Re: I Received No Reply to My Question . Here it is Again nospam@de-ster.demon.nl (J. J. Lodder) - 2023-05-18 16:02 +0200
                Re: I Received No Reply to My Question . Here it is Again Jane <Jane@home.com> - 2023-05-19 01:50 +0000
                Re: I Received No Reply to My Question . Here it is Again whodat <whodaat@void.nowgre.com> - 2023-05-18 22:00 -0500
                Re: I Received No Reply to My Question . Here it is Again Jane <Jane@home.com> - 2023-05-19 07:40 +0000
                Re: I Received No Reply to My Question . Here it is Again whodat <whodaat@void.nowgre.com> - 2023-05-19 08:39 -0500
                Re: I Received No Reply to My Question . Here it is Again Paul Alsing <pnalsing@gmail.com> - 2023-05-18 22:00 -0700
                Re: I Received No Reply to My Question . Here it is Again Jane <Jane@home.com> - 2023-05-19 07:34 +0000
                Re: I Received No Reply to My Question . Here it is Again Paul Alsing <pnalsing@gmail.com> - 2023-05-19 12:04 -0700
                Re: I Received No Reply to My Question . Here it is Again "mitchr...@gmail.com" <mitchrae3323@gmail.com> - 2023-05-17 10:41 -0700
                Re: I Received No Reply to My Question . Here it is Again Tom Roberts <tjoberts137@sbcglobal.net> - 2023-05-13 10:39 -0500
                Re: I Received No Reply to My Question . Here it is Again Jane <Jane@home.com> - 2023-05-14 02:41 +0000
                Re: I Received No Reply to My Question . Here it is Again whodat <whodaat@void.nowgre.com> - 2023-05-13 23:02 -0500
                Re: I Received No Reply to My Question . Here it is Again Jane <Jane@home.com> - 2023-05-15 00:01 +0000
                Re: I Received No Reply to My Question . Here it is Again whodat <whodaat@void.nowgre.com> - 2023-05-14 22:28 -0500
                Re: I Received No Reply to My Question . Here it is Again Jane <Jane@home.com> - 2023-05-16 02:25 +0000
                Re: I Received No Reply to My Question . Here it is Again whodat <whodaat@void.nowgre.com> - 2023-05-16 00:52 -0500
        Re: I Received No Reply to My Question . Here it is Again Jane <Jane@home.com> - 2023-05-15 00:05 +0000
      Re: I Received No Reply to My Question . Here it is Again "gehan.am...@gmail.com" <gehan.ameresekere@gmail.com> - 2023-05-10 05:03 -0700
      Re: I Received No Reply to My Question . Here it is Again The Starmaker <starmaker@ix.netcom.com> - 2023-05-10 08:53 -0700
        Re: I Received No Reply to My Question . Here it is Again Jane <Jane@home.com> - 2023-05-10 23:49 +0000
          Re: I Received No Reply to My Question . Here it is Again Paul Alsing <pnalsing@gmail.com> - 2023-05-10 17:46 -0700
    Re: I Received No Reply to My Question . Here it is Again Jane <Jane@home.com> - 2023-05-15 00:07 +0000
  Uncle Jane plays at being as scientist (was Re: I Received No Reply to My Question . Here it is Again) whodat <whodaat@void.nowgre.com> - 2023-05-10 00:39 -0500
    Re: Uncle Jane plays at being as scientist (was Re: I Received No Reply to My Question . Here it is Again) Jane <Jane@home.com> - 2023-05-10 23:32 +0000
      Re: Uncle Jane plays at being as scientist (was Re: I Received No Reply to My Question . Here it is Again) Python <python@invalid.org> - 2023-05-11 01:40 +0200
        Re: Uncle Jane plays at being as scientist (was Re: I Received No Reply to My Question . Here it is Again) Jane <Jane@home.com> - 2023-05-11 12:41 +0000
  Re: I Received No Reply to My Question . Here it is Again The Starmaker <starmaker@ix.netcom.com> - 2023-05-09 23:50 -0700
  Re: I Received No Reply to My Question . Here it is Again "mitchr...@gmail.com" <mitchrae3323@gmail.com> - 2023-05-10 10:07 -0700
  Re: I Received No Reply to My Question . Here it is Again Julio Di Egidio <julio@diegidio.name> - 2023-05-19 06:57 -0700
    Re: I Received No Reply to My Question . Here it is Again "Dono." <eggy20011951@gmail.com> - 2023-05-19 07:31 -0700
      Re: I Received No Reply to My Question . Here it is Again Julio Di Egidio <julio@diegidio.name> - 2023-05-19 08:16 -0700
        Re: I Received No Reply to My Question . Here it is Again whodat <whodaat@void.nowgre.com> - 2023-05-19 10:43 -0500
        Dumbfuck computer programmer, physics crank, Julio Di Egidio is back. "Dono." <eggy20011951@gmail.com> - 2023-05-19 09:51 -0700
          Re: Dumbfuck computer programmer, physics crank, Julio Di Egidio is back. Julio Di Egidio <julio@diegidio.name> - 2023-05-19 11:42 -0700
            Re: Dumbfuck computer programmer, physics crank, *Plonk* Julio Di Egidio is back. "Dono." <eggy20011951@gmail.com> - 2023-05-19 11:49 -0700
          Re: Dumbfuck computer programmer, physics crank, Julio Di Egidio is back. Volney <volney@invalid.invalid> - 2023-05-19 15:34 -0400
            Re: Dumbfuck computer programmer, physics crank, Julio Di Egidio is back. "Dono." <eggy20011951@gmail.com> - 2023-05-19 12:44 -0700

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