At the beginning of the COVID-19 outbreak, one of John Cantin's martial arts instructors showed up with a bullwhip and asked if anyone wanted to learn how to make it crack. "I could not get it to ...
The tip of a whip travels at more than 1,400 feet per second, which is much faster than the speed of sound. The speed of sound is roughly 1,230 feet per second. The crack of a whip is actually a small ...
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