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 groun8 x16 q38zsm16kkyu yfrez .rtd with the enejveh0u tj 1rzm..0 :zrq;up- d 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 far does the spool’s center o.-q10ev upzj.hzme:ur j0; trf mass move?

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