Re: What Does Length Contraction Mean in SR?
- From: The Ghost In The Machine <ewill@xxxxxxxxxxxxxxxxxxxxxxx>
- Date: Sun, 15 Jul 2007 00:06:36 -0700
In sci.physics, G=EMC^2 Glazier
<herbertglazier@xxxxxxxxx>
wrote
on Sat, 14 Jul 2007 12:53:41 -0400
<4758-4698FF95-578@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>:
It Means its spacetime is different in the direction its going. Time
moves faster and faster into the future.. For time to go backwards
would be so slow,that it would be a waste of time bert
The ratio can never go negative. It can become imaginary -- which
wouldn't have much meaning -- but it cannot go negative.
sqrt(1 - v/c) / sqrt(1 + v/c)
v/c < -1 : denominator is imaginary
v/c = -1 : denominator is 0; divison by 0
-1 </ v/c < 0 : normal travel
v/c = 0: ratio is 1; motionless
0 < v/c < 1 : normal travel
v/c = 1 : numerator is 0
v/c > 1 : numerator is imaginary
--
#191, ewill3@xxxxxxxxxxxxx
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