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Groups > sci.physics.relativity > #429323
| From | Thomas 'PointedEars' Lahn <PointedEars@web.de> |
|---|---|
| Newsgroups | sci.physics.relativity |
| Subject | Re: The train on the mined bridge |
| Date | 2017-08-18 23:39 +0200 |
| Organization | PointedEars Software (PES) |
| Message-ID | <2396828.mvXUDI8C0e@PointedEars.de> (permalink) |
| References | <omsfq5$omq$1@gioia.aioe.org> |
Luigi Fortunati wrote:
> The AB bridge and the MN train have both their own length of 16 dashes.
That’s _proper_ length.
> The train has the speed of gamma=2.
The Lorentz factor (gamma) is obviously not a speed. Speed has the
dimension [length]∕[time], therefore a corresponding unit, e.g. m∕s.
The Lorentz factor has dimension 1, and obviously not a unit.
Homework assignment:
(1) Calculate the relative speed for gamma = 2.
(2) Bonus points if you can explain either why or why not a regular
train can move at that relative speed.
> Bridge AB has been mined and the contact for the explosion of the
> explosive is carried out by the train itself by connecting between
> point A and point B.
>
> So the explosion only occurs if the MN train is long enough to make
> contact.
No, it occurs if M is at A *at the same time* as N is at B.
> Will the train be saved or not?
What do you think, and why?
--
PointedEars
Twitter: @PointedEars2
Please do not cc me. / Bitte keine Kopien per E-Mail.
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The train on the mined bridge Luigi Fortunati <fortunati.luigi@gmail.com> - 2017-08-14 17:32 +0200
Re: The train on the mined bridge rotchm <rotchm@gmail.com> - 2017-08-14 08:59 -0700
Re: The train on the mined bridge Paparios <mrios@ing.puc.cl> - 2017-08-14 08:59 -0700
Re: The train on the mined bridge rotchm <rotchm@gmail.com> - 2017-08-14 09:00 -0700
Re: The train on the mined bridge Luigi Fortunati <fortunati.luigi@gmail.com> - 2017-08-14 18:35 +0200
Re: The train on the mined bridge rotchm <rotchm@gmail.com> - 2017-08-14 09:41 -0700
Re: The train on the mined bridge Luigi Fortunati <fortunati.luigi@gmail.com> - 2017-08-14 21:35 +0200
Re: The train on the mined bridge rotchm <rotchm@gmail.com> - 2017-08-15 06:33 -0700
Re: The train on the mined bridge Luigi Fortunati <fortunati.luigi@gmail.com> - 2017-08-15 17:18 +0200
Re: The train on the mined bridge rotchm <rotchm@gmail.com> - 2017-08-15 08:35 -0700
Re: The train on the mined bridge moroney@world.std.spaamtrap.com (Michael Moroney) - 2017-08-14 20:09 +0000
Re: The train on the mined bridge Luigi Fortunati <fortunati.luigi@gmail.com> - 2017-08-14 22:35 +0200
Re: The train on the mined bridge "Dono," <sa_ge@comcast.net> - 2017-08-14 09:23 -0700
Re: The train on the mined bridge rotchm <rotchm@gmail.com> - 2017-08-14 09:33 -0700
Stephane Baune posts another cretinism "Dono," <sa_ge@comcast.net> - 2017-08-14 09:48 -0700
Re: Stephane Baune posts another cretinism rotchm <rotchm@gmail.com> - 2017-08-14 10:34 -0700
Re: The train on the mined bridge "Dono," <sa_ge@comcast.net> - 2017-08-16 07:11 -0700
Re: The train on the mined bridge Python <python@example.invalid> - 2017-08-16 16:27 +0200
Re: The train on the mined bridge "Dono," <sa_ge@comcast.net> - 2017-08-16 08:00 -0700
Re: The train on the mined bridge Odd Bodkin <bodkinodd@gmail.com> - 2017-08-16 10:20 -0500
Re: The train on the mined bridge "Dono," <sa_ge@comcast.net> - 2017-08-16 08:41 -0700
Re: The train on the mined bridge Odd Bodkin <bodkinodd@gmail.com> - 2017-08-16 10:45 -0500
Re: The train on the mined bridge "Dono," <sa_ge@comcast.net> - 2017-08-16 08:55 -0700
Re: The train on the mined bridge Odd Bodkin <bodkinodd@gmail.com> - 2017-08-16 11:05 -0500
Re: The train on the mined bridge rotchm <rotchm@gmail.com> - 2017-08-16 08:58 -0700
Imbecile Stephamr Baune at work "Dono," <sa_ge@comcast.net> - 2017-08-16 09:05 -0700
Re: Imbecile Stephamr Baune at work rotchm <rotchm@gmail.com> - 2017-08-16 10:33 -0700
Re: Imbecile Stephamr Baune exposed as a fraud "Dono," <sa_ge@comcast.net> - 2017-08-16 10:48 -0700
Re: The train on the mined bridge Tom Roberts <tjroberts137@sbcglobal.net> - 2017-08-16 22:37 -0500
Re: The train on the mined bridge rotchm <rotchm@gmail.com> - 2017-08-16 22:23 -0700
Tom Roberts chimes in (with a new imbecility) "Dono," <sa_ge@comcast.net> - 2017-08-17 06:35 -0700
Re: Poor Andrew Georges Python <python@example.invalid> - 2017-08-17 17:33 +0200
Python continues to suck "Dono," <sa_ge@comcast.net> - 2017-08-17 08:36 -0700
Re: Python continues to suck Odd Bodkin <bodkinodd@gmail.com> - 2017-08-17 10:56 -0500
Re: Andrew Georges keeps digging Python <python@example.invalid> - 2017-08-17 18:17 +0200
Python keep posting imbecilities "Dono," <sa_ge@comcast.net> - 2017-08-17 09:22 -0700
Re: Andrew Georges digging deeper and deeper Python <python@example.invalid> - 2017-08-17 18:37 +0200
Imbecile Liar Python eats (even more) shit "Dono," <sa_ge@comcast.net> - 2017-08-17 09:42 -0700
Re: Andrew George in despair Python <python@example.invalid> - 2017-08-17 18:50 +0200
Python digs deeper in his lies "Dono," <sa_ge@comcast.net> - 2017-08-17 10:12 -0700
Re: Python digs deeper in his lies rotchm <rotchm@gmail.com> - 2017-08-17 12:29 -0700
Stephane Baune posts edited quotes "Dono," <sa_ge@comcast.net> - 2017-08-17 14:39 -0700
Re: Stephane Baune posts edited quotes rotchm <rotchm@gmail.com> - 2017-08-17 16:35 -0700
Re: Stephane Baune posts edited quotes "Dono," <sa_ge@comcast.net> - 2017-08-17 16:36 -0700
Stephane Baune, lowest form of scum "Dono," <sa_ge@comcast.net> - 2017-08-17 16:35 -0700
Re: Stephane Baune, lowest form of scum rotchm <rotchm@gmail.com> - 2017-08-17 16:44 -0700
Re: Stephane Baune, lowest form of scum "Dono," <sa_ge@comcast.net> - 2017-08-17 16:46 -0700
Re: Stephane Baune, lowest form of scum rotchm <rotchm@gmail.com> - 2017-08-17 17:11 -0700
Re: Stephane Baune, lowest form of scum "Dono," <sa_ge@comcast.net> - 2017-08-17 18:48 -0700
Re: Stephane Baune, lowest form of scum rotchm <rotchm@gmail.com> - 2017-08-17 19:31 -0700
Re: Stephane Baune, lowest form of scum "Dono," <sa_ge@comcast.net> - 2017-08-17 20:14 -0700
Stephane Baune - scumbag "Dono," <sa_ge@comcast.net> - 2017-08-17 16:42 -0700
Re: Stephane Baune - scumbag rotchm <rotchm@gmail.com> - 2017-08-17 16:46 -0700
Re: Stephane Baune - scumbag "Dono," <sa_ge@comcast.net> - 2017-08-17 16:47 -0700
Re: Python digs deeper in his lies "Dono," <sa_ge@comcast.net> - 2017-08-18 07:06 -0700
Re: Andrew Georges and his cognitive disease strike again Python <python@example.invalid> - 2017-08-18 11:14 +0200
Python rushes to suck d!ck to Sttephane Baune. gain. "Dono," <sa_ge@comcast.net> - 2017-08-18 07:05 -0700
Re: Python rushes to suck d!ck to Sttephane Baune. gain. rotchm <rotchm@gmail.com> - 2017-08-18 07:18 -0700
Re: Python rushes to suck d!ck to Sttephane Baune. gain. "Dono," <sa_ge@comcast.net> - 2017-08-18 07:23 -0700
Re: Andrew Georges highly confused Python <python@example.invalid> - 2017-08-18 16:53 +0200
Python persists in his imbecility "Dono," <sa_ge@comcast.net> - 2017-08-18 07:58 -0700
Re: Python persists in his imbecility rotchm <rotchm@gmail.com> - 2017-08-18 10:58 -0700
Re: Python persists in his imbecility and Stephane Baune cranks up his dishonesty "Dono," <sa_ge@comcast.net> - 2017-08-18 12:55 -0700
Re: Python persists in his imbecility and Stephane Baune cranks up his dishonesty rotchm <rotchm@gmail.com> - 2017-08-18 13:43 -0700
Scumbag Stephane Baune digs himself deeper into his lies "Dono," <sa_ge@comcast.net> - 2017-08-18 14:31 -0700
Re: Scumbag Stephane Baune digs himself deeper into his lies rotchm <rotchm@gmail.com> - 2017-08-18 14:33 -0700
Re: Scumbag Stephane Baune digs himself deeper into his lies "Dono," <sa_ge@comcast.net> - 2017-08-18 14:36 -0700
Re: Scumbag Stephane Baune digs himself deeper into his lies rotchm <rotchm@gmail.com> - 2017-08-18 14:42 -0700
Re: Scumbag Stephane Baune digs himself deeper into his lies "Dono," <sa_ge@comcast.net> - 2017-08-18 14:53 -0700
Re: Scumbag Stephane Baune digs himself deeper into his lies rotchm <rotchm@gmail.com> - 2017-08-18 15:42 -0700
Re: Scumbag Stephane Baune digs himself deeper into his lies "Dono," <sa_ge@comcast.net> - 2017-08-18 15:47 -0700
Re: Scumbag Stephane Baune digs himself deeper into his lies Elma Sneijders <elsn@uejdui.fe> - 2017-08-18 21:40 +0000
Imbecile Python has his brain shaken by sucking up to crackpot Stephane Baune "Dono," <sa_ge@comcast.net> - 2017-08-18 07:33 -0700
Re: Andrew George half-backpedalling Python <python@example.invalid> - 2017-08-18 16:57 +0200
Python keeps eating shit "Dono," <sa_ge@comcast.net> - 2017-08-18 08:00 -0700
Re: Andrew Georges turning in circles Python <python@example.invalid> - 2017-08-18 17:06 +0200
Pythom insists on sucking up to conman Stephane Baune "Dono," <sa_ge@comcast.net> - 2017-08-18 08:37 -0700
Re: Imbecile Python has his brain shaken by sucking up to crackpot Stephane Baune rotchm <rotchm@gmail.com> - 2017-08-18 11:10 -0700
Re: The train on the mined bridge rotchm <rotchm@gmail.com> - 2017-08-16 07:37 -0700
Cretin Stephane Baune at work "Dono," <sa_ge@comcast.net> - 2017-08-16 08:01 -0700
Re: The train on the mined bridge Luigi Fortunati <fortunati.luigi@gmail.com> - 2017-08-14 18:43 +0200
Re: The train on the mined bridge "Dono," <sa_ge@comcast.net> - 2017-08-14 09:49 -0700
Re: The train on the mined bridge Sylvia Else <sylvia@not.at.this.address> - 2017-08-16 19:13 +1000
Re: The train on the mined bridge Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-08-18 23:39 +0200
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