The distance between the first and the third nodes of a standing wave is 0.2 m, its maximum displacement is 0.02 m and its frequency is 40 Hz. The wave- functions of the two travelling waves which interfere to give the standing wave are then:
The distance between the first and the third nodes of a standing wave is 0.2 m, its maximum displacement is 0.02 m and its frequency is 40 Hz. The wave- functions of the two travelling waves which interfere to give the standing wave are then:
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