Re: Evil Twin Paradox

Dear David:

"David" <dseppala@xxxxxxxxxxxxx> wrote in message
news:3g9jb3d02c9bbq31e126aqkjirneu6jf4m@xxxxxxxxxx
On Tue, 7 Aug 2007 20:50:55 -0700, "N:dlzc D:aol T:com
\(dlzc\)"
<dlzc@xxxxxxx> wrote:
"David" <dseppala@xxxxxxxxxxxxx> wrote in message
news:djeib3d29fuqhf6jqphp86197mqe13mhbe@xxxxxxxxxx
....
In this problem as I stated relative to each spaceship
the projectile travels perpendicular to the ship.

Then the bullet is *much* narrower than the gap in the wall,
and
there is no paradox.

That is the rest frame view (good twin's frame).

No, it is (based on your geometry) the frame of the good twin
*and* that of the bullet. The bullet is travelling at right
angles to the path of the evil twin, so the opening in the wall
is 10 ly wide.

In the evil twin's frame, the bullet is also narrower (upon
firing) than the opening in the wall.

No paradox.

David A. Smith


.

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