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Unformatted text preview: r d = 0 . 1 m and has mass 0.2kg. 3. A thin rod with mass M and length l can rotate freely around one end ( A ). A small projectile with mass m hits the rod horizontally with a velocity v at a distance a from A . The small projectile becomes embedded in the rod after the collision. m l a A v M a. Determine the angular momentum of the system around A immediately before and after the collision. b. Determine the angular velocity immediately after the collision. c. Determine the momentum of the system immediately before and after the collision. d. Determine a such that the momentum is conserved during the collision. e. Express the impulse (and its direction) acting on the rod by the hinge during the collision. Niels Grnbech Jensen DEPARTMENT OF MECHANICAL AND AERONAUTICAL ENGINEERING  UNIVERSITY OF CALIFORNIA  DAVIS, CALIFORNIA 95616 TEL: 530.752.5335...
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 Fall '08
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