Considering that it's a constant, and the others aren't?
I'm not sure if this is a silly question, considering I'm not aware of modern physics(anything since Einstein).
I would consider it to be useful as a constant(considering that it's perpetual) with other dimensions(in theory), as opposed to an actual dimension.
2006-06-27 03:28:41 · 13 answers · asked by Nep 6 in Science & Mathematics ➔ Physics
To Kalahari: I see this, but also speed is measured by distance traveled from point A to point B. At any given moment in time, nothing has a speed and nothing is moving?
2006-06-27 03:37:47 · update #1
yes time is the 4th dimension and it is not constant time slows when speed increases eg if you could fly at or near the speed of light time would slow down for the pilots relative to people staying on earth
2006-06-27 03:32:51 · answer #1 · answered by Kalahari_Surfer 5 · 3⤊ 0⤋
All physical time is a velocity. Our composition is that of physical time also. There is a physics trilogy that describes this.
E = mc2, determines that energy has as its basis the speed of light squared. The value of "c2" is not an abstract number, but represents physical reality.
m = E/c2, again the value of "c" is basic to the existence of mass.
c2 = E/m, is that of a field of physical time, or a gravitational field.
The manner in which this is able to be demonstrated is by the following:
hf = E, this is a wave of electromagnetic energy. As the wave density increases so also does the energy value of the wave.
hf = mk, the same concept as above also works for kinetic energy of mass. The reason this is true is that mass is composed of electromagnetic energy. As energy increases in a single photon according to line density, the same happens in the overall waveform of a mass. As it accelerates, the waveform increases in direction of travel. Were it to approach the speed of light, there would be a great deal of mass frequency in direction of travel and a proportionate less at right angles to it. At the speed of light there would be no more dimensions existent than one, and at that time physical time would cease to exist.
What is considered to be the fourth dimension is actually the one dimension that comprises all mass and energy. Were all the mass of our universe to be reduced to its lowest form, then everything would be converted into electromagnetic energy and the universe would be of one dimension.
2006-06-27 06:22:48 · answer #2 · answered by Anonymous · 0⤊ 0⤋
Well, the ordering of the dimensions is fundamentally arbitrary. Since spacetime is four-dimensional, placing time fourth is logical. The three space dimensions allow basically unrestricted movement, while time allows 'travel' in only one direction (but at varying rates, viz. Einstein); other higher dimensions which have been implied in string theory are tightly coiled up and are therefore too small to be perceived or entered, as far as I know.
2006-06-27 05:09:15 · answer #3 · answered by poorcocoboiboi 6 · 0⤊ 0⤋
Time is often considered the 4th dimension. I do not consider time as a constant because I do not believe time is linear. I believe time is what we need to use to explain things in our mere mortal minds. Given that infinity and eternity exists, then time is meaningless. In a universe where there is no beginning and no end, and is ever expanding, how could we put so much confidence in an idea so restrictive. It is useful to keep our daily lives going, but outside of the known universe (meaning the laws of physics we have yet to discover) it is puny. (We still haven't seen the gravitron yet.)
But in respect to the space-time continuum, time obviously does exist, just not as we have as of yet been able to define it.
2006-06-27 04:35:56 · answer #4 · answered by skeecie 1 · 0⤊ 0⤋
It's 7:31 a.m. and i've pretty much been into the 5 th dimension they really added to the soundtrack for "HAIR" when they were the 4th dimension there was always a little something missing,don't you think?
2006-06-27 03:34:42 · answer #5 · answered by fun97501 2 · 0⤊ 0⤋
Einstein believed the fourth dimension to be time. He said that gravity slows down light and though any object or wave that passes by it. But if space is curved like he said, then there is another explanation. If the light must travel around this "curve" in space, then it will take longer to reach its destination. Therefore, it appears to "slow down".
2006-06-27 08:51:00 · answer #6 · answered by Sammy 3 · 0⤊ 0⤋
You cannot find a real perfect moment of time. Time is a variable.
That would be a four dimension.
2006-06-27 03:47:13 · answer #7 · answered by JAMES 4 · 0⤊ 0⤋
Yes. It's also three or four other dimensions (check out my Q&A for more).
2006-06-27 04:17:27 · answer #8 · answered by Anonymous · 0⤊ 0⤋
yes time is the 4th dimension
2006-06-27 03:31:47 · answer #9 · answered by Blake T 4 · 0⤊ 0⤋
I don't know give me a minute.
Yep it was!
-- dimensions are how you measure things: length, width, height, time
2006-06-27 03:35:38 · answer #10 · answered by Ash 4 · 0⤊ 0⤋