Re: Comparing Clock Seconds in Dfferent Frames

From: Dirk Van de moortel (dirkvandemoortel_at_ThankS-NO-SperM.hotmail.com)
Date: 08/27/04 

Date: Fri, 27 Aug 2004 16:13:07 GMT

"kenseto" <kenseto@erinet.com> wrote in message news:10iulamqaa4amb9@corp.supernews.com...
>
> "Jim Black" <ghytrfvbnmju7654@mail.com> wrote in message
> news:cb623e6.0408261858.68fca30c@posting.google.com...

[snip]

> > If B is moving to the right at a velocity of v meters/second relative
> > to A, and given c = 299792458:
> >
> > 1 second on B's clock
> > = 1/sqrt(1-v^2/c^2) seconds on A's clock,
> > *and* v/sqrt(1-v^2/c^2) meters to the right on A's ruler.
> >
> > 1 second on A's clock
> > = 1/sqrt(1-v^2/c^2) seconds on B's clock,
> > *and* v/sqrt(1-v^2/c^2) meters to the left on B's ruler.
>
> So you are saying that 1 second on B's clock=gamma*seconds on A's clock
> and 1 second on A's clock =gamma*seconds on B's clock.

Yes, that is what Jim said.
And the consequence is that
      1 second on B's clock = gamma^2 seconds on B's clock,
which implies that gamma can only be 1.

> Doesn't this contradicts the SR time dilation concept that 1 second in
> B's clock=1/gamma seconds on A's clock and 1 second on
> A's clock =1/gamma seconds on B's clock?

No, it does not contradict that because that *also* implies that
gamma can only be 1.

By the way, what you give here, is *not* the "SR time dilation concept".
I have given the "SR time dilation concept" in my reply.
The only thing you have to do, is read it. But I'm sure you won't even
bother to read this one ;-)

Dirk Vdm

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