Item 12 Part A A compound disk of outside diameter 136 cm is made up of a uniform solid disk of radius 39.0 cm and area density 3.20 g/cm2 surrounded by a concentric ring of inner radius 39.0 cm, outer radius 68.0 cm , and area density 1.60 g/cm2 . Find the moment of inertia of this object abou passing through its center t an axis perpendicular to the plane of the object and You may want to review ( pages 283-288) For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of oments of inertia for differen xe Submit My Answers Give Up rovide Feedback Continue