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"Veritasium" (YT) - "The Big Misconception About Electricity" ?
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aetherist:

--- Quote from: SandyCox on February 12, 2022, 10:31:44 am ---Please read p. 114 in Pain.

--- End quote ---
Can u post a copy.
SandyCox:
https://archive.org/details/ThePhysicsOfVibrationsAndWavesH.J.Pain/page/n15/mode/2up
adx:

--- Quote from: aetherist on February 12, 2022, 10:08:29 am ---No wave of any kind can propagate at a velocity of any kind unless the medium moves at least briefly at that velocity or more.

--- End quote ---
How does a wave travel at its normal velocity when amplitude is reduced indefinitely?
SandyCox:
The same way that light travels from the sun?
aetherist:

--- Quote from: SandyCox on February 12, 2022, 10:51:47 am ---https://archive.org/details/ThePhysicsOfVibrationsAndWavesH.J.Pain/page/n15/mode/2up

--- End quote ---
That looks to be a dy/dt transverse particle velocity, not a dx/dt.
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