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ID: 2263972 • Letter: 1
Question
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A merry-go-round with a a radius of R = 1.72 m and moment of inertia I = 200 kg-m2 is spinning with an initial angular speed of ? = 1.66 rad/s in the counter clockwise direection when viewed from above. A person with mass m = 52 kg and velocity v = 4.7 m/s runs on a path tangent to the merry-go-round. Once at the merry-go-round the person jumps on and holds on to the rim of the merry-go-round. What is the magnitude of the initial angular momentum of the merry-go-round? kg-m2/s What is the magnitude of the angular momentum of the person 2 meters before she jumps on the merry-go-round? kg-m2/s What is the magnitude of the angular momentum of the person just before she jumps on to the merry-go-round? kg-m2/s What is the angular speed of the merry-go-round after the person jumps on?Explanation / Answer
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