本题目来源于试卷: Vibrations and Waves，类别为 IB物理学
[问答题]
If a string is vibratineq/ouu/w, w0)7 anujag in three;5n;fd sv)xql,j q8 ux segments, are there any places you could touch it with a knife blade wi;8duxnj;x v 5sfq,)ql thout disturbing the motion?
参考答案: The string could be touched at the location of a node without disturbing the motion, because the nodes do not move. A string vibrating in three segments has 2 nodes in addition to the ones at the ends. See the diagram.
本题详细解析:
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