Vibrations and Waves (id: 9f7cf981d)

本题目来源于试卷: Vibrations and Waves，类别为 IB物理学

[问答题]
The two pulses shown in Fig. 1rx ,4:wwp5 ,*ia2 8iye;7se eyz wdwwp1–52 are moving z 0v xujib bxj/6;,h6wx90oo f+d x.mltoward each other. (a) Sketch the shape of the string at the moment they directly overlap. (b) Sketch the shape of the string a few moments later. (c) In Fig. 11–36a, at the moment the pulses pass each other, the string is straight. What has happened to the energy at this momen+o xj6 6vx;b/ob 0j dfiwmzhxl90, u.xt?

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