On a frictionless table, a glob of clay of mass 0.42 kg strikes a bar of mass 1.98 kg perpendicularly at a point 0.39 m from the center of the bar and sticks to it. If the bar is 1.02 m long and the clay is moving at 9.4 m/s before striking the bar, what is the final speed of the center of mass? 1.645 m/s You are correct. Computer's answer now shown above. At what angular speed does the bar/clay system rotate about its center of mass after the impact?