a speed vi 13.5 m/s to hit the rod at the point A one-fifth the way up from the bottom of the rod. The sphere bounces back horizontally with a speed v2 9.50 m/s, while the rod swings to the right through an angle 0 before swinging back toward its original position. What is the angular speed of the rod immediately after the collision? rad/s (a) (b)
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