question 9

Identical thin rods, each of mass m and length l are joint to form an relative to the axis As shown in the figure, it rotates with a constant angular velocity energy in terms of the gasing through the vertex of the triangle. Find the rotational kinetic center of a rod of mass miven ones. The moment of inertia about the axis passing through the E) 23a center of a rod of mass m and length l is, l=121ml2. 41ml22 B) 67ml22 C) 85ml22 D) 25ml22 E) ml22