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> Pentcho Valev wrote:
...
> > 1. The person DOES NOT KNOW that the train is moving with a speed v with
> > respect to the railway. So he/she obtains c' = x'/t, where x' is the
distance
> > between the sides of the train and t is the time measured.
>
> This is all the person can do, using distance & time as measured by meter/snip/
> sticks & clocks at rest in her own reference frame.
>
> This is in incomplete, mixed-reference-frame treatment of the/snip/
problem. If the
> person on the train insists on using distances (*) as measured by
observers on
> the platform, why is she so inconsistent as to use _time_ as measured
by _her_
> clocks (*)?
> She could use time as measured by clocks at rest with respect to
> the station platform,
How could she do this? She would have to leave her frame and move to the
other one -
I am not sure this is unproblematic with respect to the conventional
theory (if time
is constant this is unproblematic).
Pentcho