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In lugnet.off-topic.geek, Dave Schuler writes:
> In lugnet.off-topic.geek, Dan Boger writes:
> > On Tue, Nov 07, 2000 at 08:41:38PM +0000, Jude Beaudin wrote:
> > > Let me rephrase the question:
> > > If a man travels on a ship away from earth for 5 light years at .5c, then
> > > returns to earth at .5c, who will have aged 20 years, the occupant or his
> > twin who stayed on earth?
> >
> > laf. That's the paradox. I think we won't know until we try it. I've seen
> > physicists get cross eyed thinking about it. Some say that _no_ time
> > will pass at all!
>
> As I understand it, the time dilation will occur for the occupant of the
> fast-moving ship, who will experience dilation relative to the stationery
> observer. The traveler won't notice the slowing of time, since everything
> in his frame of reference will likewise be slowed. As such, the stationery
> observer is the one who will experience 20 years' worth of time.
>
> Dave!
Hi,
let's do some math. IIRC
T = t/(sqrt(1 - (v/c)^2)
where
T: time elpased for stationery observer
t: time elapsed for moving observer
v: velocity of moving observer
c: speed of light
assuming minimal acceleration.
T = 11.5 yrs.
Experiments have been done where two "identical" clocks were synchronized. One
remained on earth, serving as the "stationery" observer. The other clock went
up in a plane I think and circled the earth. When the clock in the plane
returned to earth it was just a bit slower than the clock on the earth.
I love Physics!!!
Thanks
Jay Jacinto
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Message is in Reply To:
 | | Re: Relativity Question
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| (...) As I understand it, the time dilation will occur for the occupant of the fast-moving ship, who will experience dilation relative to the stationery observer. The traveler won't notice the slowing of time, since everything in his frame of (...) (26 years ago, 7-Nov-00, to lugnet.off-topic.geek, lugnet.space)
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