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| kyle3825 Quote | Reply | | traveling at the speed of light posted on: 2/18/2004 10:30:01 AM Question you are traveling at the speed of light in a spacecraft,you turn on your headlights/driving lights what would be the result? would you see the light from your headlight in front or will it be motionless for example A sidewinder missile launch from the ground can only travel the speed of a F16 Fighter however if the sidewinder is launch from a moving F16 Fighter then the missile travel twice as fast as the aircraft. Does this also suggest that light to can travel 2 times the speed of light? Thank You |
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Moore1879
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traveling at the speed of light
replied on: 7/8/2004 9:53:48 PM You would not see any light in front of your spaceship because, in his Special Theory of Relativity, Albert Einstein stated that the summing of two velocities does not obey 150000km +150000km=300000km (the velocity of light) rather that it equals 240000km. Not: v3=v1+v2 (Newtonian Machanics) But: v3=(v1+v2)/(1+(v1*v2)/c^) (Einsteinian machanics) |
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kaligo
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traveling at the speed of light
replied on: 10/29/2004 12:26:22 PM you guys seem like pretty knowlegable ppl when it comes to physics, can you help me understand the old paradox that sais: there are these twins, and one leaves the planet traveling at the speed of light, when he gets back he is i think younger than his brother. I really want to understand this!!!! |
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Jordan14
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traveling at the speed of light
replied on: 12/19/2004 7:58:43 AM Yeah it's because when you travel at the speed of light time stops. But the point is unfortunatly you can never actually get to the speed of light because the faster you go the more resistance there is, light can travel at that speed because it doesn't really have a mass. Any questions ask?? Hope it helps 
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Manifestor
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traveling at the speed of light
replied on: 1/18/2005 4:24:38 AM back to the first queestion... i thought it also said that the speed of light is always the same no matter where u measure it from... so wouldnt this mean that the light projected from the spaceship would be seen by the people on the ship to be going at the speed of light infornt of them, but to people staying still it would appear to be going the at the speed of the ship |
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Jordan14
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traveling at the speed of light
replied on: 1/19/2005 1:51:44 PM No. Because of Moore's reason, on topof this if you were traveling at the speed of light you would be outside time meaning that you couldn't see in the firstplace, you would be frozen in time 
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nudge
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traveling at the speed of light
replied on: 4/15/2005 1:56:51 AM if it were to be possible to travel at the speed of light, could the human body withstand such a force exerted to it because 'for every action there is an equal but opposite reaction' |
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Jordan14
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traveling at the speed of light
replied on: 4/16/2005 2:28:40 PM "if it were to be possible to travel at the speed of light" The point is it is not possible and it is not possible because of our bodies. The faster we move, the more air resistance acts on our bodies so we can never move at the speed of light. Also you will find NO ONE to answer questions in here go to my forum: www.s8.invisionfree.com/the_quantum_factor/ |
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theguy
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traveling at the speed of light
replied on: 5/12/2006 11:40:00 AM I think in a spacecraft, outer ligting is not so useful as we drive on road. |
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