gc textbook chapter 8 Rotational Motion (id: edef5090c)

[问答题]
A large spool of rope j 4am4f r:0ptn)wj1yr rolls on the 3rtt/aft(w*l2 j lhmbmo *g3 .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 spool rolls behind the person without slipping. What len/lo jartthtm*gm23f3b* . wl(gth of rope unwinds from the spool? How far does the spool’s center of mass move?

参考答案:



本题详细解析: 暂无