How to Project Confidence and Competence & Answers to Fascinating Questions
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The Cracking Whip
The cracking whip is another lovely example of physics and action. It's a kind of springy fibre, which gets narrower and narrower as you're going along the length. You get point where at the very, very tip of the whip, you can actually exceed the speed of sound with the velocity of the very tip. This probably wreaks havoc with santa's workshop. But what time is it in the north pole? If the north pole is at the top of the earth, theoretically, time doesn't change. Isw this question about sheep was pretty interesting, cause they just want to go in a straight line,. They don't see hor off to the side. And apparently this is
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