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A boy runs directly toward the right as shown, and jumps onto a merry-go-round (MGR) which is initially at rest.

He lands at the position of the blue dot, which is a distance d= mfrom the center of the MGR.The boy has a mass m=

kgand runs with a speed of v_{0}=m/s. The MGR has a mass of M=kgand a radius R=m.What angular speed does the MGR + boy have after the boy lands?

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