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As part of a carnival game, a m, = 0.553 kg ball is thrown at > Ybi a stack of 24.3 cm tall, m, = 0.383 kg objects and hits with a perfectly horizontal velocity of v,; = 11.8 m/s. Suppose that the ball strikes the topmost object. Immediately after the collision, the ball has a horizontal velocity of i i i Ups = 4.35 m/s in the same direction, the topmost object has : an angular velocity of @, = 4.03 rad/s about its center of : mass, and all the remaining objects are undisturbed. , Assume that the ball is not rotating and that the effect of the torque due to gravity during the collision is negligible. If the object's center of mass is located r = 17.0 cm below the point where the ball hits, what is the moment of inertia I, of the object about its center of mass? What is the center of mass velocity v, , of the tall object immediately after it is struck? I,= 0.1736 kg - m? 17.037 Uo,cm = m/s Incorrect There is a mistake in the diagram that goes with question 3 in Achieve Homework 9. Here is a better version of what the situation looks like after the collision. : Note that vy, is the final velocity of the ball and v, , is the velocity of the center of mass of the object after the collision (not the velocity of the object in the center of mass frame)