rad / s^2 Z Kg m^2 Nm m/s^2 We have two aluminum disks with masses m1, m2 and radii R1, R2. If R2 = 5.6R, and ered the disks have equal moment of inertia, what is m1/m2 equal to? 1.00 Answer: What is the moment of inertia (in units of g cm-) of an aluminum disk of radius 2.7 cm