Class 20.pdf - Conservation of L Class 20 Page 1 The disk...

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Conservation of L Class 20 Page 1
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The disk moves East without any rotation. 1. The disk rotates CCW, but its center of mass does not move. 2. The disk rotates CW, but its center of mass does not move. 3. The disk moves East and rotates CCW. 4. The disk moves East and rotates CW. 5. The disk does not move or rotate. 6. A merry-go-round disk has been removed from its axle and placed on frictionless ice. A small cannon is mounted on the western edge of the disk, and there is an identical cannon on the eastern edge of the disk so as to keep the center of mass of the system at the center of the disk. The mass of the cannonballs is much less than the mass of the disk and cannons combined. With the system initially at rest, the western cannon fires a cannonball to the West. Which description of the resulting motion of the disk is most accurate? TP1 Class 20 Page 2
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RQ4 - Case D Class 20 Page 3
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