Re: How long is a muon when at rest?

I do not believe that muons are 29 meters long, and so I accept your
suggestion. However, I do accept the definition speed = distance/time
as a definition. This is contradictory to Einstein's definition of
time, i.e. the time for light to travel from A to B is equal to time it
travels from B to A. As you correctly point out, one of these
statements is ridiculous.
The event of the light leaving A,
the event of the light reflecting at B and
the event of light arriving back at A
are four events, not three, surely, since we are unable to determine
the location of A in the stationary frame and in the moving frame. It
is this difficulty that I was hoping someone would resolve. I'm sorry
that I have not said anything in response to your original reply, but
unfortunately your original reply did not address my orginal and
perhaps poorly phrased question.

.

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