gc textbook chapter 11 Vibrations and Waves (id: 7e45af4de)

本题目来源于试卷: gc textbook chapter 11 Vibrations and Waves，类别为 通用国际物理

[填空题]
A sound wave in air has 5x6 3 pi++latvdeip9k k8e wy8a frequency of 262 Hz and travekjk v;d; +rt9r47ga sbls with a speed of 343 m/s How far apart are the wave cres dgb jtsv4; r9k+a7rk;ts (compressions)?    m

参考答案: 1.31±2%


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