the "crack" of a whip?
bebb at ix.netcom.com
Sun Feb 2 17:44:59 EST 1997
Robert Dyer <mrzip at interactive.net> wrote:
>Pardon me if I am posting this in an inappropiate group.
> What causes the sound that a whip (i.e bullwhip) makes when you
> A friend and I are trying to settle a bet. My friend contends
>that the sound is caused by the tip of the whip moving at such a spped
>that it breaks the "sound barrier" and therefore couses a small "sonic
>boom." I disagree.
I don't know exactly where to send you for confirmation, but I believe
this is true. In the case where the whip is being snapped in the air
(not hitting anything) the sound is a byproduct of the tremendous
velocity of the end of the whip exceeding the sound barrier.
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