1.5 kg balls are attached to the ends of a thin rod of negligible mass, 72.0 cm in length. The rod is free to rotate in a vertical plane about a horizontal axis through its center. With the rod initially horizontal as shown, a 0.62 kg wad of wet putty drops onto one of the balls with a speed of 3.8 m/sec and sticks to it. 1. During the collision, what is conserved? Linear Momentum, Angular momentum, Rotational Kinetic Energy, Mechanical Energy or none of the above 2. What is the angular speed of the system after the putty wad hits? 3. Through what angle will the system rotate until it momentarily sto

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