Homework Statement
Consider a planet with uniform mass density p. If the planet rotates too fast, it will fly apart. Show that the minimum period of rotation is given by
T^2 = 3(pie)/Gp
Homework Equations
F = ma = Gm1m2/R^2 (Equation 1)
a = v^2/R (Equation 2)
v= 2(pie)R/T...