Because light can only at the speed of light, it's absolute, more absolute than time. The light will turn red as the waves are pushed closer, it's called the doppler effect.
2006-10-13 01:32:13
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answer #1
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answered by foogill 4
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Because you cannot simply add speeds to get a total speed. As you travel, your length (in the direction that you are traveling) gets smaller (to an observer on the sidelines). Einstein came up with a formula in special relativity (can't remember it offhand).
Let's try a different example. You are on a train and you get up and walk towards the engine. You would think that your total speed (compare to someone watching off the train) is the train's speed + your speed. This is actually wrong; it's slightly less, but it so little that we don't notice it. If the train was traveling at 99% the speed of light and you went running towards the front of the train at 99% the speed of light, you would think your total is 1.98% the speed of light. But at such high speeds, the formula becomes much more pronounced and you wind up at something like 99.9% the speed of light (as viewed by the outside observer). To you, though, traveling on the train, you are traveling at 99% the speed of light, no faster. Everything is based on your frame of referance.
Like I said, I can't remember the formula, but you might try wikipedia.org and find it.
2006-10-13 12:05:00
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answer #2
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answered by The Doctor 7
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hi there simply put the reason that car headlights dont travel faster than light is because nothing can travel faster than light, Light travels at 300,000km a second. So if you consider a light year the distance a beam of light travels in a year which is 300,000km a second your looking at a distance of about 4.5.000.000.000 million million miles.
I hope that this answers your question
from matt
2006-10-13 04:18:02
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answer #3
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answered by Anonymous
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Because light always travels at the speed of light. The speed of the car just pushed the waves closer to each other, causing it to look more blue. If the car is going away from you, it would stretch out the waves, causing them to look more red.
Of course, the average car can't go fast enough for the effect to be noticable. But we can notice that shift in color with stars, which are generally moving away from us at great speeds and, therefore, look more reddish than they would otherwise.
2006-10-13 01:30:11
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answer #4
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answered by nondescript 7
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You omitted the fact that the car is moving I think.....yes?
:)
This is one of the great mysteries. No one knows why this is, but it is totally cool, as well as fascinating I think. Light is light, and its speed is constant, at least as far as our technology can determine today.
I think it is akin to saying.......if I measure the flame on a bic lighter here at home and it's temp is X degrees Celsius say, and then you fly to another country and, at roughly the same altitude, and measure it there, you could say essentially the same thing; Why is the temperature of the flame the same here as it is there. It's the intrinsic property of the 'object' that makes it so. We may not understand it, but we can characterize it. This is true of many things in science. We scientists still don't know what gravity is, but we can calculate it, predict it, use it and account for it!
Pretty cool....dontcha think?
:)
2006-10-13 01:40:49
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answer #5
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answered by Anonymous
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Same reason that sound cannot go faster in front of a plane than behind it... the waves will be closer together because the plane is closer to you with each wave it generates but the waves are still traveling at the speed of sound in all directions...
2006-10-13 01:32:33
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answer #6
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answered by Andy FF1,2,CrTr,4,5,6,7,8,9,10 5
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The source of the light is constant whether the car is moving or standing still. The speed of light is also a constant.
2006-10-13 01:37:38
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answer #7
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answered by J.D. 6
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Headlight alignment can replace by way of fact the instruments pass, as for gearbox oil some autos had separate oil some use the engine oil, relies upon on make and kind, in case you prefer the gearbox oil checked/ replaced ask at next provider for it to be finished.
2016-10-16 03:49:23
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answer #8
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answered by Anonymous
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firstly you can't add verlocities, although at low verlocities it doesn't make any difference.
secondly the light from the headlights (assuming the car is on earth) can be broken as the light is slowed down by the air.
the speed of light in a vacuum can not be broken, it can in water, air glass ect
2006-10-13 01:45:28
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answer #9
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answered by supremecritic 4
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