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Physics: (Einsteins theory of relativity)


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#1 phalynx

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Posted 27 August 2003 - 06:41 PM

Person 1 and Person 2 start from point A, if person 1 travels at 1/2 the speed of light and person 2 travels at the speed of light; person 1 goes from point A to point B and person 2 goes from point A to point C which is exactly the same distance from point A; It takes person 1 10 seconds to get to point B and person 2 5 seconds to get to point C; If person 2 waits 5 seconds before leaving point A from the time person 1 leaves point A which person arrives at their destination first and which person is older?

;D ::) :o

After you answer the last question that this discussion is about is:

"Is time travel possible?"

#2 KarenSue1973

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Posted 27 August 2003 - 06:46 PM

Are you trying to get me to break out that expensive calculator?  I am a South Lyon graduate.  You are lucky if I can spell let alone do Physics.  That is why I asked you today to tutor me in math!!!
Peace, love and happiness always!

#3 phalynx

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Posted 27 August 2003 - 06:51 PM

heh

;D

#4 KarenSue1973

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Posted 27 August 2003 - 06:53 PM

OK, I give!  What is the answer?  You are such a bully!!!
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#5 phalynx

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Posted 27 August 2003 - 06:55 PM

Not telling till I get more responses
:)

#6 KarenSue1973

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Posted 27 August 2003 - 06:57 PM

You are a bully.  Then again your smart too.  So I won't gripe too much!!!
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#7 MoonChild

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Posted 28 August 2003 - 12:19 AM

hehe I don't care, will I ever? lol

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#8 KarenSue1973

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Posted 28 August 2003 - 04:16 AM

I know that you are smart and cuz you went to Northville schools, but not everyone is as smart as your.  Remember the rough draft of my English paper?  Was there any white left on the page?  What is the answer?  I have hurt my head thinking about it!!!
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#9 phalynx

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Posted 28 August 2003 - 09:49 AM

moon, it's just for fun... just curious how many people have 1/2 a brain to figure out the answer

lol@karen

;D

#10 KarenSue1973

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Posted 28 August 2003 - 10:17 AM

Great your laughing at me  :'(!  Its bad enough that you left me for the dog!!  I really thought that you loved me!!
Peace, love and happiness always!

#11 Mykiedave

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Posted 28 August 2003 - 02:06 PM

When you travel at the speed of light time slows down. You've alread said it takes person 2 half the time to get there. But person 2 is traveling at the speed of light, so time has slowed down for person 2 and that person has not aged as rapidly as person 1. IF they were both the same age when they left then person 1 would have to be older.
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#12 phalynx

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Posted 28 August 2003 - 03:36 PM

I'll give you a hint...

the speed of light is a measurement of velocity... and has nothing to do with time itself.

According to einsteins theory of relativity: "When traveling near the speed of light time slows down when traveling at the speed of light time stops and when traveling faster than the speed of light time goes in reverse."

that is what einstein said word for word.

#13 psychicdreamer

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Posted 29 August 2003 - 04:26 AM

I think in time, Time Travel could be possible, but the only people who would truly know are the scientists working on it in some secret lab somewhere no one knows about.  Can you imagine what kind of chaos that would churn up if it got out that time travel was possible??

And I think that person 1 got there first.
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#14 Wiccad1

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Posted 29 August 2003 - 07:40 AM

ok, I completely hate science and math and have done everything to avoid it, but I'll give it a crack:  If it takes person 1 10 seconds going 1/2 speed from a to b and person 2 5 seconds, but waits 5 seconds and goes full speed they should get there 2gether. 10 sec 1/2 speed, double speed, cut time in 1/2... however, going 1/2 speed allows 1/2 aging... that'd be 5 sec... and person 2 waits 5 secs. so neither one is older. (let me know how far off I am... it will be funny@ ;D)

#15 Wiccad1

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Posted 29 August 2003 - 07:45 AM

i change my answer... even though person 1 takes 10 sec and 1/2 speed of light... 5 secs of 1/2 speed and 5 secs of full speed are completely diff... agh my brain hurts!




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