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 roky+ d-( ;givlot7 k5s5j xlir,lls on the ground qxla59v *k4) 0qjr ugtwith the end of the rope lying on the top edge of the spool. A per9v)axl0* u 4kj5 gqtqrson 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 of mass move?

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