Recommended Citation
Postprint version. Published in The Physics Teacher, Volume 49, Issue 3, March 1, 2011, pages 180-183.
The definitive version is available at https://doi.org/10.1119/1.3555508.
Disciplines
Physics
Copyright
Publisher statement
This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Association of Physics Teachers. The following article appeared in The Physics Teacher.
URL: https://digitalcommons.calpoly.edu/phy_fac/323
