dE/dt = k A

A ∝ L^2

ρ

m = ρ V

V ∝ L^3

m ∝ L^3

L ∝ m^1/3

L^2 ∝ m^2/3

A ∝ L^2 ∝ m^2/3

dE/dt = c m^2/3

bmr = c m^2/3

ln (bmr) = ln (c) + 2/3ln (m)

bmr = c m^3/4

Created by Mathematica  (October 3, 2003)