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 rolls on the ground wg qkao tys9 rz: 6b,sp.q+5n6nith tzy ;oe nram-)b, ycfh,l+j;v, zje j,,a*nfh5he 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 snjfz,,j,5,ahj z + ;b,lcye fyhmn);e a*vo-rpool rolls behind the person without slipping. What length of rope unwinds from the spool? How far does the spool’s center of mass move?

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