gc textbook chapter 8 Rotational Motion (id: 6296b5330)

本题目来源于试卷: gc textbook chapter 8 Rotational Motion，类别为 IB物理学

[问答题]
A large spool of rope rolls -eb p16,ybm .csrbs6vctq -0o on th;2s d/d.wuhfwa:8xxga/xra(k 4w 8tl e ground with the end 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 spool8axw4 /lk adxra: 8fug2x./ htd;wsw( 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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