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submitted 1 day ago by TheGuyTM3@lemmy.ml to c/asklemmy@lemmy.ml

It can look dumb, but I always had this question as a kid, what physical principles would prevent this?

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[-] ZWQbpkzl@hexbear.net 11 points 1 day ago* (last edited 1 day ago)

The whole poll does not move as end entire unit instantaneously. You send a sort of shock-wave through the poll, when you push it from your end. That shockwave has a travel time that's much slower than light. I suspect that the speed of that shockwave probably proportional to the speed of sound in the material that the poll is made of.

this post was submitted on 11 Feb 2025
454 points (94.0% liked)

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