Answer to Question #276336 in Physics for ann

Question

A 100 gram ball m1, and a 200 gram ball, m2, connected by a rod

with a length of 60 cm. The mass of the rod is ignored. The axis of

rotation located at the center of the rod. What is the moment of

inertia of the balls about the axis of rotation?

Answer 1

$$I=(0.1+0.2)(0.3)^2=0.027\ kg m^2$$