gc textbook chapter 8 Rotational Motion (id: edef5090c)

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本题目来源于试卷: gc textbook chapter 8 Rotational Motion，类别为 unclassified

[问答题]
A large spool of rope romvas2ct 9e0z-hv a.l/h ) .vsylls on the groun*g .iz:;ic swmd with the end of the rope lying on the top edge of the spool. A person grabs the end of the rope and walks a distance L, holding onto it, Fig. 8–50. The spool rolls behind the person without slipping. What length of rope unwinds from the spool? How i swzgi.;: mc*far does the spool’s center of mass move?

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