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# DYNAMICS (ME 213-02) Exam #2 Due May 20, 2010 Name : Problem 1) Take-home _________________________________ (20 points) Given: The 2-kg sphere is...

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DYNAMICS (ME 213-02) Exam #2 Take-home Due May 20, 2010 Name : _________________________________ Problem 1) (20 points) Given: The 2- kg sphere is projected horizontally with a velocity of l0 m/s against the l0- kg carriage which is backed up by the spring with a stiffness of 1600 N/m . The carriage is initially at rest with the spring uncompressed. The coefficient of restitution is 0.60. Find: The rebound velocity v' , the rebound angle θ , and the maximum travel δ of the carriage after impact.
Problem 2) (15 points) Given: A fisherwoman F has hooked a shark S, and the shark maintains a constant speed of v o while the fisherwoman reels it in. She remains stationary during the reeling. She's winding fishing line into her reel at a speed v . Assume that the initial value of r is r o , the shark has a mass m , and the shark moves in a counter-clockwise direction around the fisherwoman. Find: What is the angular momentum of the shark about F as function of time?
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