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Re: Clarification Needed Please.

From Sylvia Else <sylvia@not.at.this.address>
Newsgroups sci.physics.relativity
Subject Re: Clarification Needed Please.
Date 2017-09-25 20:19 +1000
Message-ID <f2s3h0Fi285U1@mid.individual.net> (permalink)
References <oq9i5e$umt$1@gioia.aioe.org> <f2r3v6FbbjvU1@mid.individual.net> <oqa4vc$1m16$1@gioia.aioe.org>

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On 25/09/2017 3:42 PM, HGW wrote:
> On 25/09/17 11:20, Sylvia Else wrote:
>> On 25/09/2017 10:21 AM, HGW wrote:
>>> This diagram http://www.scisite.info/event.jpeg, is an X-T graph of a 
>>> light source which emits an instantaneous flash of light at a certain 
>>> location and time in a particular reference frame. It also shows a 
>>> transform of that graph  into Frame 2, which is moving at v relative 
>>> to Frame 1.
>>> Normally, one would expect the slope of the worldline of the flash to 
>>> be c in frame one and c-v in Frame 2. However SR claims that opposite 
>>> fractional changes in the coordinates of both axes bring that latter 
>>> slope back to c.
>>>
>>> If that is accepted, what speed would an observer at rest in frame 2 
>>> now assign to frame 1 or the light source? It would appear that 
>>> whilst Frame 2 is moving at v relative to frame 1, frame 1 is NOT 
>>> moving at v relative to Frame 2.
>>>
>>> Would a dingleberry expert please explain how their theory accounts 
>>> for this seemingly ridiculous situation.
>>
>>
>> If you apply the Lorentz transformation properly, rather than cherry 
>> picking bits of it (as you are doing), then the world line has the 
>> same slope in both frames.
> 
> I know. That's what I said. You apparently don't know how to do it.
> My main concern is about the worldline of the source.
> It must also change  ....which means Frame 1 is not moving at v 
> according to an observe at rest in frame 2

It's what you said. It's not what you did. In the image you talk 
contracting coordinates, but there's more the the Lorentz transformation 
than that.

Sylvia.

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Clarification Needed Please. HGW <HW@home.net> - 2017-09-25 10:21 +1000
  Re: Clarification Needed Please. "David (Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-09-24 17:30 -0700
    Re: Clarification Needed Please. "David (Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-09-24 17:53 -0700
      Re: Clarification Needed Please. "David (Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-09-24 18:03 -0700
        Re: Clarification Needed Please. "David (Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-09-24 18:06 -0700
          Re: Clarification Needed Please. "David (Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-09-24 18:12 -0700
  Re: Clarification Needed Please. Sylvia Else <sylvia@not.at.this.address> - 2017-09-25 11:20 +1000
    Re: Clarification Needed Please. HGW <HW@home.net> - 2017-09-25 15:42 +1000
      Re: Clarification Needed Please. Sylvia Else <sylvia@not.at.this.address> - 2017-09-25 20:19 +1000
      Re: Clarification Needed Please. "Paul B. Andersen" <relativity@paulba.no> - 2017-09-25 13:28 +0200
        Re: Clarification Needed Please. Sylvia Else <sylvia@not.at.this.address> - 2017-09-25 21:29 +1000
          Re: Clarification Needed Please. "Paul B. Andersen" <relativity@paulba.no> - 2017-09-25 15:00 +0200
            Re: Clarification Needed Please. "HGW, DSc." <HG@....> - 2017-09-26 03:55 +1000
            Re: Clarification Needed Please. "Paul B. Andersen" <relativity@paulba.no> - 2017-09-25 22:43 +0200
          Re: Clarification Needed Please. Lofty Goat <rlwatkins@gmail.com> - 2017-09-27 19:45 -0500
            Re: Clarification Needed Please. Sylvia Else <sylvia@not.at.this.address> - 2017-09-28 13:00 +1000
              Re: Clarification Needed Please. Lofty Goat <rlwatkins@gmail.com> - 2017-10-15 10:54 -0500
        Re: Clarification Needed Please. "HGW, DSc." <HG@....> - 2017-09-26 03:53 +1000
          Re: Clarification Needed Please. Kos Etrakis <uar@ksskkwi.ck> - 2017-09-25 17:55 +0000
          Re: Clarification Needed Please. "Paul B. Andersen" <relativity@paulba.no> - 2017-09-25 22:40 +0200
            Re: Clarification Needed Please. "Paul B. Andersen" <relativity@paulba.no> - 2017-09-25 22:43 +0200
            Re: Clarification Needed Please. HGW <HW@home.net> - 2017-09-26 11:42 +1000
              Re: Clarification Needed Please. Gary Harnagel <hitlong@yahoo.com> - 2017-09-26 04:37 -0700
              Re: Clarification Needed Please. "Paul B. Andersen" <relativity@paulba.no> - 2017-09-26 14:45 +0200
                Re: Clarification Needed Please. HGW <HW@home.net> - 2017-09-27 08:16 +1000
                Re: Clarification Needed Please. Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-09-27 00:27 +0200
                Re: Clarification Needed Please. Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-09-27 00:32 +0200
                Re: Clarification Needed Please. HGW <HW@home.net> - 2017-09-27 08:45 +1000
                Re: Clarification Needed Please. Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-09-27 00:53 +0200
                Re: Clarification Needed Please. HGW <HW@home.net> - 2017-09-27 10:51 +1000
                Re: Clarification Needed Please. Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-09-27 11:55 +0200
                Re: Clarification Needed Please. "Paul B. Andersen" <relativity@paulba.no> - 2017-09-27 14:59 +0200
                Re: Clarification Needed Please. Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-09-27 09:27 +0200
                Re: Clarification Needed Please. "Paul B. Andersen" <relativity@paulba.no> - 2017-09-27 19:06 +0200
                Re: Clarification Needed Please. HGW <HW@home.net> - 2017-09-28 08:47 +1000
                Re: Clarification Needed Please. Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-09-28 03:30 +0200
                Re: Clarification Needed Please. "Paul B. Andersen" <relativity@paulba.no> - 2017-09-28 15:00 +0200
                Re: Clarification Needed Please. "Paul B. Andersen" <relativity@paulba.no> - 2017-09-27 14:56 +0200
  Re: Clarification Needed Please. "Paul B. Andersen" <relativity@paulba.no> - 2017-09-25 12:38 +0200
    Re: Clarification Needed Please. "HGW, DSc." <HG@....> - 2017-09-26 03:58 +1000
    Re: Clarification Needed Please. Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-09-26 16:42 +0200
      Re: Clarification Needed Please. Dirk Van de moortel <dirkvandemoortel@hotspam.not> - 2017-09-26 16:56 +0200
      Re: Clarification Needed Please. "Paul B. Andersen" <relativity@paulba.no> - 2017-09-26 20:17 +0200
        Re: Clarification Needed Please. Dirk Van de moortel <dirkvandemoortel@hotspam.not> - 2017-09-26 20:45 +0200
          Re: Clarification Needed Please. "Paul B. Andersen" <relativity@paulba.no> - 2017-09-26 22:04 +0200
            Re: Clarification Needed Please. Dirk Van de moortel <dirkvandemoortel@hotspam.not> - 2017-09-26 22:36 +0200
              Re: Clarification Needed Please. HGW <HW@home.net> - 2017-09-27 08:30 +1000
                Re: Clarification Needed Please. Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-09-27 00:50 +0200
                Re: Clarification Needed Please. HGW <HW@home.net> - 2017-09-27 10:55 +1000
                Re: Clarification Needed Please. Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-09-27 03:16 +0200
                Re: Clarification Needed Please. HGW <HW@home.net> - 2017-09-27 19:47 +1000
                Re: Clarification Needed Please. Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-09-27 09:30 +0200
        Re: Clarification Needed Please. Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-09-26 23:54 +0200
          Re: Clarification Needed Please. HGW <HW@home.net> - 2017-09-27 08:33 +1000
            Re: Clarification Needed Please. Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-09-27 01:00 +0200
              Re: Clarification Needed Please. HGW <HW@home.net> - 2017-09-27 11:01 +1000
                Re: Clarification Needed Please. Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-09-27 03:19 +0200
                Re: Clarification Needed Please. HGW <HW@home.net> - 2017-09-27 19:53 +1000
                Re: Clarification Needed Please. Gerard Hermes <aluua@nwaau.fb> - 2017-09-27 10:39 +0000
                Re: Clarification Needed Please. Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-09-27 09:46 +0200
                Re: Clarification Needed Please. HGW <HW@home.net> - 2017-09-28 09:09 +1000
                Re: Clarification Needed Please. Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-09-28 02:48 +0200

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