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 with the end of the rv 9w3krgoxge)g0 r(d ,szk+ )wope lyilvvb70ky h0b-ng on the top edge of the spool. A person gb7b y-h 0vklv0rabs 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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