Re: Length Contraction Fully Explained


"xray4abc" <lemhenyil@xxxxxxxx> wrote in message
news:1149292322.152749.254330@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
|
| kk wrote:
| > xray4abcq (LL) wrote:
| > >He shows there that, after SR, there was no need for those
| > >graphs as m=mo / (1 - v^2/c^2)^1/2 gave the same values.
| >
| > That works only if Earth's speed is assumed to be zero,
| > which proves that it is merely rigged math, not real
| > evidence.
| >
| > But that was evident by the mere appearance of "v," which
| > cannot pertain to any real object's real properties since
| > each inertial observer gets a different value for "v" even
| > though the object is moving at a single steady velocity.
| >
| > In other words, SR cannot say anything specific about any
| > object's physical mass because SR has no means of measuring
| > mass directly. It does so only by comparisons, which each
| > observer getting a different result (and no object moving
| > inertially can possibly have more than one physical mass).
| >
| > There is no physical content to SR because it is based
| > solely on a mere convention (Einstein's definition of
| > clock "synchronization," a definition which does not
| > even correctly synchronize clocks).
| >
| > Try again.
| >
| > --kk--
|
| I got no time to fight windmills.
| Still, I would be interested in finding out from you,
| how would you measure mass "directly" !
| LL
Ah well... that's not relativity, that's physics. Wrong newsgroup.
What you want is absolute mass, not relative mass.
Relative mass is :
http://www.fourmilab.ch/etexts/einstein/specrel/www/figures/img155.gif
Donkey Einstein said so, but don't fight Don Quixote.
Androcles.


Androcles.


.

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