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Path: utzoo!watmath!clyde!burl!ulysses!allegra!princeton!jsl
From: jsl@princeton.UUCP (Jong Lee)
Newsgroups: net.puzzle,net.math
Subject: Re: Polar Bear Problem Sequel
Message-ID: <1135@princeton.UUCP>
Date: Tue, 22-Oct-85 12:29:12 EDT
Article-I.D.: princeto.1135
Posted: Tue Oct 22 12:29:12 1985
Date-Received: Wed, 23-Oct-85 06:12:33 EDT
References: <361@proper.UUCP> <367@faron.UUCP> <10755@ucbvax.ARPA>
Distribution: net
Organization: Princeton University EECS Dept
Lines: 25
Xref: watmath net.puzzle:1065 net.math:2413

> In article <367@faron.UUCP> bs@faron.UUCP (Robert D. Silverman) writes:
> >> The old Polar Bear Problem: ...
> >> The sequel:  (1) From how many points on Earth (assuming it's spherical, etc.)
> >> 		 can you make exactly these moves, i.e., walk 1 mile south, 1
> >> 		 mile west, 1 mile north, and be back where you started?
> >>              (2) Describe all of them.
> >> Judith Abrahms
> >
the bear could be any color right?  I mean, you could start exactly
on the north pole, and follow the prescribed route to get back to N;
so he could be white.  But as Mr. 9 said, there are infinite # of soln's
around the south pole, where no polar bears exist, just penguin opuses.
					Sun_Man
 
> By the way: heat causes metal to expand.  If you have a piece of metal
> with a spherical hole in it, does the hole expand, contract, or remain
> the same when the metal is heated?  What about a square hole?  I don't
> know the answer!
> 
the hole expands as well....also true for square "holes". 
> ...ranjit bhatnagar
> 
> (Disclaimer!  If they knew what I was doing, they'd stop me.)

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