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A boy with a mass of m= kg stands near the edge of a merry-go-round (MGR) which is not spinning. The system's (boy + MGR) total moment of inertia about the center is I= kg m2. The boy standing at r= m from the center of the MGR suddenly jumps off in a tangential direction with a speed of v= m/s. How fast will the MGR be rotating when the boy leaves it?

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