2006-11-28 03:21:07 · 18 answers · asked by Anonymous in Science & Mathematics ➔ Physics
I don't like to go fast,prefer to do things slowly ...but I always have the lights on (unlike Georgie who likes them off-for obvious reasons) ....extra special squeezy hugs x
2006-11-28 03:44:39 · answer #1 · answered by ? 6 · 0⤊ 1⤋
Well, you can't have a vehicle going the speed of light, and the answer to this question is a good illustration of the reason why.
Suppose you were in a vehicle going 99.9999% of the speed of light. That's possible. In that case, the headlights would work just like you expect---the photons created zoom away from your vehicle at the speed of light. To an outside observer at "rest", those photons would be very energetic---they would be highly blueshifted in energy because of the vehicle's motion, but they would still be travelling at the speed of light. Your vehicle would be a little behind, travelling nearly the speed of light. Everything's OK.
At 100% of the speed of light, however, all the equations break down. That is, in part, because your vehicle now has infinite energy. In other words, you've had to put infinite energy into it to get to the speed of light. To the outside observer, the photons coming from your headlights would also have infinite energy. This is, I'm afraid, simply not possible.
2006-11-28 03:58:47 · answer #2 · answered by cosmo 7 · 0⤊ 0⤋
Because the vehicle is travelling at the speed of light the headlights will work.
2006-11-28 03:23:55 · answer #3 · answered by Anonymous · 1⤊ 0⤋
A lot of people are probably going to say youre vehicle can't reach the speed of light.....etc etc.
But just pretending...if you turned on your headlights, the light from your headlight should shoot out at the exact same speed of light as if you werent even moving (~186,000 mi per sec). There have been many experiments that verify that the speed of light doesnt change , even when measured relative to something else....even another beam of light.
2006-11-28 03:26:55 · answer #4 · answered by wizexel22 3 · 2⤊ 0⤋
The car would automatically slow down (perhaps not noticably at that speed) but when the headlights are on, there is something else for the voltage to be split amongst and at that instant you get an effect like when you turn your headlights on then start your engine....ie they dim. This is the same principle.
2006-11-28 07:50:37 · answer #5 · answered by fluffypurplealien 2 · 0⤊ 1⤋
You are moving at the speed of light relative to an observer say on the ground. He would observe that your clock has stopped. Switching on the headlights would be a change. No change can occur when time has come to a stop. Therefore to this observer it would appear that you cannot switch on the headlights - you are frozen in time.
2006-11-28 04:24:24 · answer #6 · answered by mathwiz 1 · 0⤊ 1⤋
the stay in front of you as the are also travailing at the speed of light.
the light coming from them is also travelling away from the aircraft at the speed of light so that is why you will always have the light in front of you.
this is the basis of Einsteins theory of relativity
also if you where at the back of the plane and walked to the front of it during the flight you would be travailing faster than the speed of light but only at 4 miles an hour in relation to the aircraft {4 miles being the average walking speed of a person}
2006-11-28 03:28:16 · answer #7 · answered by oh_sh1te 1 · 0⤊ 0⤋
The light from the headlights would appear to receed from you at the speed of light.
When you say "at the speed of light", it is always with respect to something... there is no absolute. We're all traveling at the speed of light right now with respect to *something*.
2006-11-28 03:30:04 · answer #8 · answered by k_e_p_l_e_r 3 · 0⤊ 0⤋
Never mind the headlights, it's the bl**dy brakes you should be worried about going at that speed.
2006-11-28 03:32:32 · answer #9 · answered by billtheangler 5 · 0⤊ 0⤋
Hmmm... according to the theory of special relativity, mass increases with speed.
v - velocity
m - mass while at velocity v
m0 - mass at rest
c - velocity of light
m = m0/sqrt(1-(v/c)^2)
So if your vehicle weights 4000 lbs. At JUST under the speed of light, its going to weigh millions of pounds.
And since energy = (m-m0)*c^2
(m final mass ; m0 initial mass)
It would require, or give off, insane amounts of energy and your car and you would be destroyed in the process! Mwauahahaa!
2006-11-28 03:31:13 · answer #10 · answered by B W 2 · 0⤊ 0⤋
i think that the light will go on as normal but i might be as twice the speed though, i imagine it will be like when you are in a car travelling and throwing a stone at the same time the stone will have its speed plus the speed of the car. thats what i thing guys
2006-11-28 07:04:30 · answer #11 · answered by tonguyguy 1 · 0⤊ 1⤋