1. The figure shows an overhead view of a 2.90 kg plastic rod of length 1.20...

 

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1. The figure shows an overhead view of a 2.90 kg plastic rod of length 1.20 m on a table. One end of the rod is attached to the table, and the rod is free to pivot about this point without friction. A disk of mass 32.0 g slides toward the opposite end of the rod with an initial velocity of 32.5 m/s. The disk strikes the rod and sticks to it. After the collision, the rod rotates about the pivot point. disk pivot A. What is the angular velocity, in rad/s, of the two after the collision? B. What is the kinetic energy, in joules, before and after the collision? 1. The figure shows an overhead view of a 2.90 kg plastic rod of length 1.20 m on a table. One end of the rod is attached to the table, and the rod is free to pivot about this point without friction. A disk of mass 32.0 g slides toward the opposite end of the rod with an initial velocity of 32.5 m/s. The disk strikes the rod and sticks to it. After the collision, the rod rotates about the pivot point. disk pivot A. What is the angular velocity, in rad/s, of the two after the collision? B. What is the kinetic energy, in joules, before and after the collision?