Question: A disk sliding on a horizontal surface that has negligible friction collides with a rod that is free to move and rotate on the

A disk sliding on a horizontal surface that has negligible friction collides with a rod that is free to move and rotate on the surface, as shown in the top view above. Which of the following quantities must be the same for the disk-rod system before and after the collision? Select two answers. a. Linear Momentum b. Angular Momentum C. Kinetic Energy d. Potential Energy

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