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Old May 13th 08 posted to sci.physics.relativity
Androcles[_7_]
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Default A simple derivation of the relativistic formula for the addition of velocities


"Dr. Henri Wilson" HW@.... wrote in message
...
| On Mon, 12 May 2008 21:43:31 +0200, "Paul B. Andersen"
| wrote:
|
| Dr. Henri Wilson skrev:
| On Fri, 09 May 2008 12:24:54 +0200, "Paul B. Andersen"
| wrote:
|
| Dr. Henri Wilson wrote:
| On Wed, 07 May 2008 13:14:43 +0200, "Paul B. Andersen"
| wrote:
|
| Dr. Henri Wilson wrote:
| On Wed, 30 Apr 2008 16:43:25 +0200, YBM wrote:
|
| The following describes a very elegant and simple derivation of
the relativistic
| formula for the addition of velocities, w = (u+v)/(1 + uv/c^2).
|
| It is due to David Mermin.
| See:
|
http://dorigo.wordpress.com/2008/04/...ivistic-train/
| It assumes the unproven second postulate is correct.
|
| It is crap.... just like the postulate.
| What does Fizeau's experiment show, Henri?
| That BaTh is correct.
| I see.
| So according to the "BaTh", velocities transforms like this:
| w = (u+v)/(1+uv/c^2)
| which implies that the velocity c transforms like this:
| w = (c+v)/(1+cv/c^2) = c
|
| Why do you call your theory the "BaTh" when it is
| identical to SR?
|
| ..the experiment was not sufficiently accurate to detect the difference
between
| the predictions of the two theories.
|
| And the prediction of the BaTh for Fizeau's experiment is? :-)
|
| Try this:
| http://renshaw.teleinc.com/papers/fizeau4b/fizeau4b.stm
|
|
"However, Michelson neglected to take into account the Doppler effect of
light from a stationary source interacting with moving water"

Well, **** my old boots. All this time we should have been dunking ring
laser
gyroscopes in the river to get a reading from them.






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