本题目来源于试卷: gc textbook chapter 11 Vibrations and Waves，类别为 IB物理学
[问答题]
If a string is vibrating in three segments, are thegdg9 z7ksy4 e0xj9-scre any places youhk. u:zzh -7z 0locs8r could touch it with a knife blade .87r :lzoh-uzkc0zs h without 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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