Re: SR cannot determine Contraction
- From: "Artful" <artful@xxxxxxxxxx>
- Date: Mon, 25 Feb 2008 00:26:05 +1100
"Peri of Pera" <riedt1@xxxxxxxxxxx> wrote in message
news:4d7a4156-1486-45a7-b7af-46b7ab1bc981@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
SR cannot determine Contraction
Lorentz proposed contraction of moving objects in a paper 'The
relative motion of the earth and the ether', Versl.Kon.Akad.Wetensch.
1, 74 in 1892 and then published the Lorentz transformation formulas
in 1899 according to which objects moving through space contract
parallel to the direction of motion and in proportion to their speed
[L'=L/sqrt(1-v^2/c^2)]. Einstein accepted the formulas but writes in
1916 (Relativity: The Special and General Theory, Chapter 16): "The
contraction of moving bodies follows from the two fundamental
principles of the theory".
The real value of v in the formula is indeterminate
No .. it is not.
i.e. the real speed of a body is unknown.
The real speed is what you measure it to be, relative to you. That is what
the 'v' is in the above
However, the speed relative to other bodies may be known.
That is what the 'v' is .. its a relative speed. You seem confused about
the very basics here
.
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