Clicker Question #1 Four identical particles, each with mass m, are arranged in the x, y plane as shown. They are connected by light sticks to form a rigid body. If m = 2.0 kg and a = 1.0 m, the moment of inertia of this array about the y-axis is: A. 4.0 kg m² B. 4.8 kg m² C. 9.6 kg m² D. 12 kg m² E. none of these y a a 133 a a x