newnewnewnew (id: bf5a9a30b)

本题目来源于试卷: newnewnewnew，类别为 IB物理学

[问答题]
A stone hangs by a fine k5ys;f1b(dh0oo umrw.e81q zthread frco o+ b eh.(p2beaq+r(om the ceiling, and a section of the same thread dangles from the bottom of the stone (Fig. 4–36). If a person gives a sharp pull on the dangling thread, where is the thread likely to break: below the stone or above it? What if the person gives a slow and steady pull? Expl2+ ( br(ehooacebp +q.ain your answers.

参考答案:



本题详细解析: 暂无

微信扫一扫，分享更方便