Author Topic: What happens if you are in a car going the speed of light...  (Read 1984 times)

hubag bohol

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What happens if you are in a car going the speed of light...
« on: October 06, 2013, 06:42:02 PM »
What happens if you are in a car going the speed of light...


...and you turn the headlights on?


:P

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StevenRan

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Re: What happens if you are in a car going the speed of light...
« Reply #1 on: October 06, 2013, 06:54:12 PM »

hubag bohol

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MikeLigalig.com

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Re: What happens if you are in a car going the speed of light...
« Reply #3 on: October 07, 2013, 08:57:59 AM »
picture nalang aron makasabot mi sa resulta? hehe :)

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islander

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Re: What happens if you are in a car going the speed of light...
« Reply #4 on: October 07, 2013, 09:06:05 AM »
bitaw uy.  tagaan man sad tag formula ug nagpatanto ug 5-6. ;D

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islander

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islander

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Re: What happens if you are in a car going the speed of light...
« Reply #6 on: October 07, 2013, 09:19:17 AM »
Einstein's answer (report) relative to this question in 1896:

"If I pursue a beam of light with the velocity c (velocity of light in a vacuum), I should observe such a beam of light as a spatially oscillatory electromagnetic field at rest.  However, there seems to be no such thing, whether on the basis of experience or according to Maxwell's equations.  From the very beginning it appeared to me intuitively clear that, judged from the standpoint of such an observer, everything would have to happen according to the same laws as for an observer who, relative to the earth, was at rest.  For how, otherwise, should the first observer know, i.e., be able to determine, that he is in a state of fast uniform motion?  One sees that in this paradox the germ of the special relativity theory is already contained.  Today everyone knows, of course, that all attempts to clarify this paradox satisfactorily were condemned to failure as long as the axiom of the absolute character of time, viz., of a simultaneous, unrecognizedly was anchored in the unconscious.  Clearly to recognize this axiom and its arbitrary character really implies already the solution to the problem."(http://math.ucr.edu/)

hehehe, zamot.  maayo pay wa na lay awto... ;D

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islander

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Re: What happens if you are in a car going the speed of light...
« Reply #7 on: October 07, 2013, 09:24:10 AM »
more about einstein's report from the same source:

In 1905 he realised how it could be that light always goes at the same speed no matter how fast you go.  Events that are simultaneous in one reference frame will happen at different times in another that has a velocity relative to the first.  Space and time cannot be taken as absolute.  On this basis Einstein constructed the theory of special relativity, which has since been well confirmed by experiment.

(underscoring mine)

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islander

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Re: What happens if you are in a car going the speed of light...
« Reply #8 on: October 07, 2013, 09:26:20 AM »
more:

Questions of relative velocity in relativity can be answered using the velocity subtraction formula v = (w − u)/(1 − wu/c2) (see relativity FAQ: velocity addition).  If you are driving at a speed u relative to me and you measure the speed of light in the same direction (w = c in my frame), the formula gives v the speed of light in your reference frame as, v = (c − u)/(1 − u/c).  For any speed u less than c this gives v = c so the speed of light is the same for you.  But if u = c the formula degenerates to zero divided by zero; a meaningless answer.

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islander

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Re: What happens if you are in a car going the speed of light...
« Reply #9 on: October 07, 2013, 09:32:40 AM »
eureka!

If you want to know what happens when you are driving at very nearly the speed of light, an answer can be given.  Within your car you observe no unusual effects.  You can look at yourself in your mirror which is moving with the car and you will look the same as usual.  Looking out of the window is a different matter.  The light from your headlights will always go at the speed of light in your reference frame.  It will strike any object in its path and be reflected back.  Everything else will be coming towards you at nearly the speed of light, so the light reflected from it will be Doppler shifted to very high frequencies—towards the ultraviolet or beyond.  If you have a suitable camera you could take a snapshot.  The objects passing are contracted in length but because of the different times of passage for the light and effects of aberration, the snapshot will show the objects you pass as rotated.  See the relativity FAQ Penrose-Terrell Rotation.

underscoring mine. for a thorough interesting read, this source refers you further to Einstein's biographical notes in "Albert Einstein, Philosopher Scientist" ed. Schilpp

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islander

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Re: What happens if you are in a car going the speed of light...
« Reply #10 on: October 07, 2013, 10:03:28 AM »
to simplify thus:

1.  space and time are relative, that's why einstein came up with his neat theory of relativity, which was further simplified by jack warner of warner bros. with his own theory of relativity---he doesn't hire relatives.

2.  there are no unusual effects of traveling with the speed of light if you just stay within your car

3.  if you look out the window of your car with its headlights on while traveling at the speed of light, the light of your headlights will come back to haunt you.

4.  it is always unsafe to travel at the speed of light.  in the first place, why the hurry?

5.  but if you must travel at the speed of light despite the odds, then travel with a loyal friend. 

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Republic Act 8485 (Animal Welfare Act of 1998, Philippines), as amended and strengthened by House  Bill 6893 of 2013--- violation means a maximum of P250,000 fine with a corresponding three-year jail term and a minimum of P30,000 fine and six months imprisonment

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islander

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Re: What happens if you are in a car going the speed of light...
« Reply #11 on: October 07, 2013, 10:11:07 AM »

yes, friend, with me travel you must.

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hubag bohol

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Re: What happens if you are in a car going the speed of light...
« Reply #12 on: October 07, 2013, 10:14:37 AM »
5.  but if you must travel at the speed of light despite the odds, then travel with a loyal friend. 

Loyal friend here!





;D



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