[ExI] Pesky Neutrinos

Adrian Tymes atymes at gmail.com
Wed Nov 2 21:10:40 UTC 2011


2011/11/2 john clark <jonkc at bellsouth.net>

> On *Wed, 11/2/11, Adrian Tymes <atymes at gmail.com>* wrote:
>
> "Wouldn't time dilate in the other direction for you, relative to him,
> because he underwent acceleration while you did not?"
>
> But you ARE undergoing acceleration because you are in a gravitational
> field, you are standing on the surface of the Earth undergoing an
> acceleration of 1g. Your friend is far from the Earth so he's not in a
> gravitational field, but he could be accelerating for other reasons.
>
>
This acceleration is canceled out by the normal force of the Earth's
surface; relative to the Earth, you are not accelerating.  Moreover, I said
"underwent", as in a previous event: acceleration happened to the friend,
as part of escaping the Earth's reference frame.
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