Home Is Where The Wind Blows

An immortal fumble by Androcles (24-Apr-2004)

The speed of sound depends on the speed of the emitter
| Androcles you are the most die hard corpusculist I have ever heard.
|
| Does the speed of sound depend on the speed of the emitter?

Yes, it does.
All speeds are relative. If you approach a sound source,
then you are increasing
the velocity of the sound as you move through the air. It is
this idea that Michelson was trying to exploit, and when he
failed he was forced to abandon aether.
Doppler knew it, his equation is
f' = f(c+/-u)/(c+/-v) where v is the speed of the source and
u is the speed of the observer relative to the air.

| Why should light speed depend on emitter speed?

Because all speeds are relative, of course. MMX will work on
a plane just as it will on the ground, because the speed of
light is added to the speed of the plane, which is also the
speed of the source.
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