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- Newsgroups: sci.math
- Path: sparky!uunet!psinntp!panix!rryan
- From: rryan@panix.com (Rob Ryan)
- Subject: Re: Three-sided coin
- Message-ID: <1992Nov23.143529.14173@panix.com>
- Date: Mon, 23 Nov 1992 14:35:29 GMT
- References: <1992Nov20.191504.17650@husc15.harvard.edu> <1992Nov23.012622.14231@galois.mit.edu>
- Organization: Panix, NYC
- Lines: 19
-
- In <1992Nov23.012622.14231@galois.mit.edu> jbaez@riesz.mit.edu (John C. Baez) writes:
-
- >In article <1992Nov20.191504.17650@husc15.harvard.edu> blom@husc15.harvard.edu writes:
- >>I came late to this thread, but it sounds like you are looking for a coin
- >>that would land 1/3 of the time on either face and 1/3 of the time would
- >>stabilize on its side. For this to be so the width of the coin should
- >>equal its radius.
- >
- >Prove it.
-
- Yeah. That would guarantee that the surface area of the edge was the same as
- surface area of the two sides (added together), but is that sufficient? It
- seems like other factors would play (like average distance from the center of
- gravity) into the equation.
- --
- Rob Ryan
- Internet: rryan@panix.com or Robert_Ryan@brown.edu
- Bitnet: ROBR@BROWNVM
- Compu$erve: 70324.227@compuserve.com
-