Sound : an elementary text-book for schools and colleges (1913)
Capstick, John Walton, 1858- · leaf 74
ster thenearer it is to its equilibrium position. Suppose for the sakeof argument that the period of vibration is one second, andthe range of vibration from end to end is one inch. (Ordinarysound waves in air have a much smaller period and amplitude,but this does not affect the principle of the… … counter-clockwise direction, making one complete turn in asecond. Let us reckon the time from the moment when theradius is in the position 1, and drop perpendiculars on thehorizontal diameter, so that the position 1 corresponds to aparticle passing from left to right through its…
Sound
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