The question on traveling at the speed of light, well a sound of a jet is left behind, when the jet does the speed of sound plus.
2006-12-15 01:54:15 · 7 answers · asked by Anonymous in Science & Mathematics ➔ Physics
Use your head, no thing can go that fast, and do the test, so we can only be conjectural. We waste valuable productive time by wondering about such. The ones that have all the answers, are the ones I'm concerned about, and their teachings.
2006-12-15 04:24:52 · answer #1 · answered by Anonymous · 0⤊ 0⤋
If this was possible, which its not, some might say that you would create unbalanced forces and something big would happen, but i believe that traveling faster than the speed of light would only make a leaf fall off a couple tree's(i don't think much would change). But most of all I have no belief that time could ever reverse, because if you were to stab someone today and kill them, once there heartbeat is gone for good, there is no bringing them back to life. There is no redoing a mistake, You should learn from your mistakes, and move on, don't dream of moving back time, because its second to impossible. The only way I could ever believe in time travel was if you proved it to me. You have an open mind though.
2016-05-24 20:10:02 · answer #2 · answered by Anonymous · 0⤊ 0⤋
Sound is uniform in lenght through matter of any kind.
Sound is waveform in matter
Sound is a waveform that travels through matter. Although it is commonly associated in air, sound will readily travel through many materials such as water and steel. Some insulating materials absorb much of the sound waves, preventing the waves from penetrating the material.
Does not travel in vacuum
Because sound is the vibration of matter, it does not travel through a vacuum or in outer space. When you see movies or TV shows about battles in outer space, you should only be able to see an explosion but not hear it. The sounds are added for dramatic effect.
Some atoms in space
Note that in outer space, there are actually some widely-spaced atoms and molecules floating around. But since they are so far apart, regular wave motion would not be great enough to detect.
Sound waves different than light waves
Also note that light and radio waves are electromagnetic waves. They are completely different than sound, which is vibration of matter. Electromagnetic waves are related to electrical and magnetic fields and readily travel through space.
The speed or velocity of sound in air is approximately 344 meters/second, 1130 feet/sec. or 770 miles per hour at room temperature of 20oC (70oF). The speed varies with the temperature of air, such that sound travels slower at higher altitudes or on cold days.
Note: The difference between speed and velocity is that velocity usually includes direction the of travel. We'll interchange them here, but in some cases the distinction is important.
A jet plane traveling at the speed of sound would be moving at about 680 mph at sea level. At very high altitudes, the speed required would be much lower.
2006-12-15 02:00:54 · answer #3 · answered by Anonymous · 0⤊ 0⤋
Speed of light is a constant. In theory, nothing can change the speed of light. That is large part of the Theory of Relativity, as you move faster your relative time slows down because if it didn't, the light approaching you would appear to be moving faster than the constant.
Sound is different. It is pressure waves moving through a medium. It is not a constant. Sound moves faster through denser material. So, sound moves faster through water than it does through air because water is denser.
2006-12-15 02:00:18 · answer #4 · answered by Wundt 7 · 0⤊ 0⤋
The speed of light is costant (i.e. the same value) when measured relative to any observer, regardless of his direction and speed of motion (in a straight line though), and regradless of the speed and direction of the light source (this is totally NOT true with sound and infact not true for any other physical phenomenon involving relative speed measurements!).
Of course the speed of light changes when the propagating medium changes (this is the same as with sound)!!!
2006-12-15 02:15:41 · answer #5 · answered by Mr. X 2 · 0⤊ 0⤋
The sound is more fast in solids than in water and tan in gas.
yes, the speed of sound plus.
This is no tru to the lihgt. The velocity of light is always the same
2006-12-15 02:06:17 · answer #6 · answered by Juan D 3 · 0⤊ 0⤋
3 *10^8 m/s :light in space
Even in medium like steel ,water light travels nearly same power because its so fast that obstruction interact with rays for only seconds.
Speed of sound : 340 m/s
very small compared to that of speed of light.]
Easily influenced by change in medium.
In solids it max while minimum for gases.
In solids it con be in thousands as for iron( i think its near 1450 m/s)
2006-12-15 02:06:57 · answer #7 · answered by amudwar 3 · 0⤊ 0⤋