/sci/ - Science & Math » Thread #13680712

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speed of sound

Anonymous Sat 25 Sep 07:46:41 2021 No.13680712 View Reply Original Report

Quoted By: >>13680714 >>13680825 >>13681051 >>13681076 >>13681288

i dont get it. why wouldn't loud sounds travel faster than slow soouns?
When I hit a billiard ball harder, the next one also goes faster..

Anonymous

Anonymous Sat 25 Sep 2021 07:48:22 No.13680714 Report

Quoted By: >>13680763 >>13681284

>>13680712
>When I hit a billiard ball harder, the next one also goes faster..
Put a bunch of billiards in a very long row. Hit the first one. Measure how long it takes for the last one to move. Does it depend on how hard you strike?

Anonymous

Anonymous Sat 25 Sep 2021 08:09:21 No.13680763 Report

Quoted By: >>13680783

>>13680714
Yes

Anonymous

Anonymous Sat 25 Sep 2021 08:18:07 No.13680783 Report

Quoted By: >>13681284

>>13680763
Eh. Yeah, I suppose maybe in does in real life. I'm not sure. Just make the appropriate analogy with any visible kind of wave, then.

Anonymous

Anonymous Sat 25 Sep 2021 08:32:22 No.13680825 Report

Quoted By: >>13680839

>>13680712
Try splashing in water softly and then harder. Do the waves travel at different speeds? Don't splash like a retard.

Anonymous

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Anonymous Sat 25 Sep 2021 08:37:06 No.13680839 Report

Quoted By:

>>13680825
You should find that the propagation speeds should be the same, because as long as the medium has the same density, the disturbances can only pass on their energy at a single rate.

In spacetime, that speed is the speed of causality, and all things travel at the speed of light. The reason being that in picrel, the vector is the same length, and the angle represents an object either traveling only in time or evenly in space and time (the speed of light).

Anonymous

Anonymous Sat 25 Sep 2021 10:16:04 No.13681051 Report

Quoted By: >>13681334

>>13680712
something to with temperature

Anonymous

Anonymous Sat 25 Sep 2021 10:25:11 No.13681076 Report

Quoted By:

>>13680712
Explosion shock waves go faster than sound.
Difference is explosions are sudden release of high energy, high speed particles, normal loud sounds are waves traveling through normal energy particles.

Anonymous

Anonymous Sat 25 Sep 2021 12:01:18 No.13681284 Report

Quoted By:

>>13680783
>>13680714
Lol, for an idealized setup the delay would be based on the speed of sound through billard balls, right?

Anonymous

Anonymous Sat 25 Sep 2021 12:02:45 No.13681288 Report

Quoted By:

>>13680712
Actually loud sound does travels faster but the difference is insignificant unless you reach giga intensities.

Anonymous

Anonymous Sat 25 Sep 2021 12:18:09 No.13681334 Report

Quoted By:

>>13681051
Also with pressure. When a gas is seriously compressed it resists further compression much more than one would expect based on ideal gas law. The larger forces make it akin to an incompressible fluid so sound travels faster as it normally does in water

Anonymous

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Anonymous Sat 25 Sep 2021 12:38:47 No.13681386 Report

Quoted By:

The loudness of the wave depends on the amplitude - how far up and how far down it goes
The speed of the wave does not, it only depends on the material it moves through. You can have a wave that have a very large amplitude and a wave that has a very small amplitude, but they both travel at the same speed
Think about it, your voice is a composite wave made of many, many simple waves of various frequencies and amplitudes. If the speed of the wave depended on either frequency or amplitude then you wouldn't be able to understand someone speaking from afar, different parts of their voice would arrive at different times, it would probably sound like playing a recording backwards

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