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From: tomfi@tekig4.UUCP (Tom Fitzpatrick)
Newsgroups: net.puzzle,net.math
Subject: Re: Polar Bear Problem Sequel SPOILER!!!!!!!
Message-ID: <335@tekig4.UUCP>
Date: Mon, 21-Oct-85 16:27:02 EDT
Article-I.D.: tekig4.335
Posted: Mon Oct 21 16:27:02 1985
Date-Received: Wed, 23-Oct-85 05:45:43 EDT
References: <361@proper.UUCP>
Reply-To: tomfi@tekig4tzpatrick.UUCP (Tom Fitzpatrick)
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Organization: Tektronix, Beaverton OR
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Xref: watmath net.puzzle:1063 net.math:2411

In article <361@proper.UUCP> judith@proper.UUCP (judith) writes:
>The old Polar Bear Problem:  You go somewhere, set up a tent, walk a mile
>south, walk a mile due west, shoot a bear.  Then you drag the bear a mile north
>to your tent & have him for dinner.  What color is the bear?
>
>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
>{ucbvax,ihnp4}!dual!proper!judith

There are an infinite number of points from which you can make these moves. They
all lie on the line of latitude which is exactly one mile north of a latitude
line with a circumference of one mile (ie. in walking one mile west, you go
through 360 degrees of longitude).

						The Spitzer