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Groups > sci.physics.relativity > #478263
| From | Odd Bodkin <bodkinodd@gmail.com> |
|---|---|
| Newsgroups | sci.physics.relativity |
| Subject | Re: One way speed of light |
| Date | 2018-11-27 16:54 +0000 |
| Organization | Aioe.org NNTP Server |
| Message-ID | <ptjss2$1f8e$1@gioia.aioe.org> (permalink) |
| References | (1 earlier) <51d502aa-5dd2-4028-9712-80c759933c5c@googlegroups.com> <pthokn$1v5o$2@gioia.aioe.org> <g652qdFi448U1@mid.individual.net> <ptjm4c$cgb$1@dont-email.me> <g6560nFiqfdU1@mid.individual.net> |
Thomas Heger <ttt_heg@web.de> wrote: > Am 27.11.2018 um 15:59 schrieb Libor Striz: >> Thomas Heger <ttt_heg@web.de> Wrote in message: >>> Am 26.11.2018 um 22:29 schrieb Odd Bodkin: >>> >>>>>> This two way measurement could easily cancel out any effect (with or >>>>>> without an ether) because acceleration of one trip would be balanced by >>>>>> deceleration on the way back. >>>>> >>>>> No, actually. It's a high-school-level exercise to see that this is not so. >>>>> >>>>> -- >>>>> Jan >>>>> >>>> >>>> To wit: >>>> Jimmy can swim at 3 miles per hour with respect to the water. Jimmy decides >>>> to swim in a river that has a current of 1 mile per hour. He swims upstream >>>> a quarter mile relative to the shore, and then he turns around and swims >>>> downstream a quarter mile to his starting point at the shore, a total of a >>>> half mile swum. What is his average speed relative to the shore for the >>>> trip? >>>> >>> >>> >>> The swimmer swims faster downstream and slower upstream, because we had >>> to add the velocity of the water in one case and subtract it in the other. >>> >>> The time is an eighth of an hour up and a sixteenth downstream and that >>> is 675 seconds for a half mile. The result is roughly 1.19 m/s >>> >> The point is, the total time up and downstream, >> and therefore the average speed as well, >> depends on the stream speed. > > > Yes, but the mean speed is not really interesting. > > Instead you could compare the 'momentary mean velocity'. > > That is > v_mean_ momentary= (speed upstream + speed downstream) /2 This quantity pertains to nothing measurable. > > and this is independent from the speed of the water. > > > TH > > -- Odd Bodkin — Maker of fine toys, tools, tables
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One way speed of light Thomas Heger <ttt_heg@web.de> - 2018-11-26 16:01 +0100
Re: One way speed of light Lee Primer <itoo@wodinwnc.cg> - 2018-11-26 15:50 +0000
Re: One way speed of light Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-11-26 21:48 +0100
Re: One way speed of light "David (Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2018-11-27 07:07 -0800
Re: One way speed of light Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-11-29 02:09 +0100
Re: One way speed of light JanPB <filmart@gmail.com> - 2018-11-26 13:04 -0800
Re: One way speed of light Odd Bodkin <bodkinodd@gmail.com> - 2018-11-26 21:29 +0000
Re: One way speed of light Thomas Heger <ttt_heg@web.de> - 2018-11-27 15:31 +0100
Re: One way speed of light Libor Striz <poutnik4REMOVEnntp@CAPITALSgmail.com.INVALID> - 2018-11-27 15:59 +0100
Re: One way speed of light Thomas Heger <ttt_heg@web.de> - 2018-11-27 16:26 +0100
Re: One way speed of light moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-11-27 16:47 +0000
Re: One way speed of light Odd Bodkin <bodkinodd@gmail.com> - 2018-11-27 16:54 +0000
Re: One way speed of light Libor Striz <poutnik4REMOVEnntp@CAPITALSgmail.com.INVALID> - 2018-11-27 18:01 +0100
Re: One way speed of light Lee Primer <itoo@wodinwnc.cg> - 2018-11-28 00:55 +0000
Re: One way speed of light Libor Striz <poutnik4REMOVEnntp@CAPITALSgmail.com.INVALID> - 2018-11-28 05:14 +0100
Re: One way speed of light Lee Primer <itoo@wodinwnc.cg> - 2018-11-28 15:13 +0000
Re: One way speed of light Odd Bodkin <bodkinodd@gmail.com> - 2018-11-27 16:44 +0000
Re: One way speed of light Thomas Heger <ttt_heg@web.de> - 2018-11-28 16:34 +0100
Re: One way speed of light Lee Primer <itoo@wodinwnc.cg> - 2018-11-28 15:40 +0000
Re: One way speed of light Odd Bodkin <bodkinodd@gmail.com> - 2018-11-28 17:20 +0000
Re: One way speed of light Thomas Heger <ttt_heg@web.de> - 2018-11-29 20:43 +0100
Re: One way speed of light Odd Bodkin <bodkinodd@gmail.com> - 2018-11-29 20:53 +0000
Re: One way speed of light Libor Striz <poutnik4REMOVEnntp@CAPITALSgmail.com.INVALID> - 2018-11-29 22:21 +0100
Re: One way speed of light Thomas Heger <ttt_heg@web.de> - 2018-11-30 21:15 +0100
Re: One way speed of light moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-11-30 22:46 +0000
Re: One way speed of light Tom Roberts <tjroberts137@sbcglobal.net> - 2018-11-30 17:23 -0600
Re: One way speed of light Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-12-01 00:34 +0100
Re: One way speed of light Odd Bodkin <bodkinodd@gmail.com> - 2018-11-30 23:40 +0000
Re: One way speed of light Thomas Heger <ttt_heg@web.de> - 2018-12-01 16:17 +0100
Re: One way speed of light "Dono," <sa_ge@comcast.net> - 2018-12-01 07:32 -0800
Re: One way speed of light Thomas Heger <ttt_heg@web.de> - 2018-12-02 13:50 +0100
Re: One way speed of light Gary Harnagel <hitlong@yahoo.com> - 2018-12-02 05:11 -0800
Re: One way speed of light Thomas Heger <ttt_heg@web.de> - 2018-12-03 12:23 +0100
Re: One way speed of light Odd Bodkin <bodkinodd@gmail.com> - 2018-12-03 18:53 +0000
Re: One way speed of light mitchrae3323@gmail.com - 2018-12-03 11:25 -0800
Re: One way speed of light Thomas Heger <ttt_heg@web.de> - 2018-12-04 13:04 +0100
Re: One way speed of light Gary Harnagel <hitlong@yahoo.com> - 2018-12-03 11:57 -0800
Re: One way speed of light alsor@interia.pl - 2018-12-03 13:28 -0800
Re: One way speed of light mitchrae3323@gmail.com - 2018-12-03 13:56 -0800
Re: One way speed of light alsor@interia.pl - 2018-12-03 14:13 -0800
Re: One way speed of light Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-12-02 14:44 +0100
Re: One way speed of light "Dono," <sa_ge@comcast.net> - 2018-12-02 07:13 -0800
Re: One way speed of light Tom Roberts <tjroberts137@sbcglobal.net> - 2018-12-02 10:28 -0600
Re: One way speed of light Mole Santiago <msb@awwnuvs.an> - 2018-12-02 18:42 +0000
Re: One way speed of light alsor@interia.pl - 2018-12-02 11:08 -0800
Re: One way speed of light moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-12-02 18:49 +0000
Re: One way speed of light Mole Santiago <msb@awwnuvs.an> - 2018-12-02 18:57 +0000
Re: One way speed of light Mole Santiago <msb@awwnuvs.an> - 2018-12-02 18:58 +0000
Re: One way speed of light Odd Bodkin <bodkinodd@gmail.com> - 2018-12-02 21:23 +0000
Re: One way speed of light Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-12-01 18:20 +0100
Re: One way speed of light Tom Roberts <tjroberts137@sbcglobal.net> - 2018-11-29 16:03 -0600
Re: One way speed of light mlwozniak@wp.pl - 2018-11-29 15:03 -0800
Re: One way speed of light Thomas Heger <ttt_heg@web.de> - 2018-11-30 21:18 +0100
Re: One way speed of light Odd Bodkin <bodkinodd@gmail.com> - 2018-12-01 15:43 +0000
Re: One way speed of light Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-12-02 14:58 +0100
Re: One way speed of light moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-11-29 23:38 +0000
Re: One way speed of light mlwozniak@wp.pl - 2018-11-29 16:40 -0800
Re: One way speed of light Odd Bodkin <bodkinodd@gmail.com> - 2018-11-30 03:22 +0000
Re: One way speed of light benj <benj.fake@gmail.com> - 2018-11-29 22:41 -0500
Re: One way speed of light Odd Bodkin <bodkinodd@gmail.com> - 2018-11-30 12:13 +0000
Re: One way speed of light Thomas Heger <ttt_heg@web.de> - 2018-11-30 21:21 +0100
Re: One way speed of light Libor Striz <poutnik4REMOVEnntp@CAPITALSgmail.com.INVALID> - 2018-11-30 22:10 +0100
Re: One way speed of light Thomas Heger <ttt_heg@web.de> - 2018-12-01 16:26 +0100
Re: One way speed of light moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-11-30 23:01 +0000
Re: One way speed of light Odd Bodkin <bodkinodd@gmail.com> - 2018-11-30 23:03 +0000
Re: One way speed of light Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-12-01 00:43 +0100
Re: One way speed of light Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-11-29 02:01 +0100
Re: One way speed of light Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-11-29 02:04 +0100
Re: One way speed of light alsor@interia.pl - 2018-11-26 15:51 -0800
Re: One way speed of light Gary Harnagel <hitlong@yahoo.com> - 2018-11-26 18:53 -0800
Re: One way speed of light alsor@interia.pl - 2018-11-27 09:49 -0800
Re: One way speed of light numbernumber1964@gmail.com - 2018-11-28 15:11 -0800
Re: One way speed of light mitchrae3323@gmail.com - 2018-11-29 14:19 -0800
Re: One way speed of light carleto4157990662@gmail.com - 2018-11-29 14:36 -0800
Re: One way speed of light benj <benj.fake@gmail.com> - 2018-11-29 22:28 -0500
Re: One way speed of light mitchrae3323@gmail.com - 2018-11-29 20:08 -0800
Re: One way speed of light carleto4157990662@gmail.com - 2018-11-29 15:10 -0800
Re: One way speed of light alsor@interia.pl - 2018-11-30 12:48 -0800
Alex Sorokin, persistent imbecile "Dono," <sa_ge@comcast.net> - 2018-12-01 07:34 -0800
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