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Coin Paradox

\begin{figure}\BoxedEPSF{Coin_Paradox.epsf scaled 500}\end{figure}

After a half rotation of the coin on the left around the central coin (of the same Radius), the coin undergoes a complete rotation.


Pappas, T. ``The Coin Paradox.'' The Joy of Mathematics. San Carlos, CA: Wide World Publ./Tetra, p. 220, 1989.

© 1996-9 Eric W. Weisstein