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Re: Cable around the Equator
Posted:
Nov 6, 1996 2:59 AM


> >This Ma Bell puzzle reminds me of the one about the buckling bridge... >If a bridge is made of a single piece of material exactly one mile long >and anchored firmily at both ends, then it expands exacly one foot such >that the middle of the bridge buckles up (your choice of models and >assumptions for this one), how far above the original roadway will the >center of the bridge be after the buckle? >
Try the same problem but have it buckle by only an inch. This is even more amazing, I think. When we gave this problem to a biology teacher here (with the track expanding by a foot) his response was "Are you using the same Pythagorean theorem I was taught in sshool?" The answers do not seem intuitive.
 Doug Kuhlmann (508)7494242 Phillips Academy dkuhlman@idea.uml.edu Andover, MA 01810



