90 Please label any formulas used and draw out all applicable free body diagrams, thanks!

90. The pendulum shown is made of two thin rods, each of mass m and length I, joined to make an L-shaped object. It is deflected by a small angle, what is the period of the resulting oscillations? Hints: the moment of inertia is just the sum of the two separate values. And you are going to have to find the location of the center of mass. It is located midway between the centers of the two rods...45,45,90] Figure 13.38 Problem 13.90