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 s (p blrd,5q)irolls on the grounegy r7zbu3+7nd with the end of the rope lying on the top edge of the spool. A person grabs the end of the rope n3 7 +yrube7zgand 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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