
Problems for
Intermediate Methods in Theoretical Physics
Edward F. Redish 
Universal Natural
Scales
In our creation of theories of the universe, we have been forced to introduce
some "universal constants."
Three of these are
 Newton's universal gravitational constant, G (~2/3 x 10^{10} Nm^{2}/kg^{2})
 Planck's universal action constant, (~10^{34} Js)
 The speed of light in vacuum, or the universal maximum speed, c (~3 x 10^{8} m/s).
Construct natural scales of mass, length, and time from these three constants.
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This page prepared by
Edward F. Redish
Department of Physics
University of Maryland
College Park, MD 20742
Phone: (301) 4056120
Email: redish@umd.edu
Last revision 16. October, 2005.