Re: Rigid rod problem


russ...@xxxxxxxx wrote:
> Kim B wrote:
>
> [snip]
>
> > If you choose a point on the rod a use its current speed as your FOR,
> > the the rest of the rod will fit nicely in this FOR (along the FOR's
> > line of simultaneity) ... with the same speed all along and the
> > correct proper length, exactly as it fits in our "rest" frame at the
> > base line ... all frames are equal, assuming the rod has accelerated
> > and will accelerate forever.
>
> Thanks. Of course you are quite right about that, and I
> apologize for my many mistakes here.

I believe it when I hear it, but it's a little tricky to figure out.

It seems surprising that no matter what reference frame you are in, all
parts of the rod will pass v=0 at the same time. I'm not in the mood
to develop a proof, but it seems right.

.

Relevant Pages

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  • Re: Rigid rod problem
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