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Re: whip crack explanation?

For an interesting varient on this question see the URL
http://www.newscientist.com/nsplus/insight/rexfiles/tails.html
Regards,
Len


What creates the loud noise when a whip cracks?

Is it merely a high amplitude compression
of the surrounding air?

Is the cracking sound caused by the end of the whip
moving at a supersonic speed?

Herb