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 g;wbc 8y3 kfwchrz:20nround with the end of the : ss xe3pn3i9erope lying on the top edge of the spool. A person grs:33pxs ne9 ieabs 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 of mass move?

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