College Physics ›› 2022, Vol. 41 ›› Issue (11): 15-.doi: 10.16854 /j.cnki.1000-0712.220045
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ZHOU Yue， ZHANG Guo-feng
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Abstract: The energy density and energy flow of a harmonic longitudinal wave in elastic medium are calculated and the relevant formulas in general physics textbook are further discussed, the composition and origin of the energy flow are analyzed.
Key words: longitudinal wave, energy density, energy flow
ZHOU Yue, ZHANG Guo-feng. An analysis of the energy of longitudinal wave[J].College Physics, 2022, 41(11): 15-.
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URL: https://dxwl.bnu.edu.cn/EN/10.16854 /j.cnki.1000-0712.220045
https://dxwl.bnu.edu.cn/EN/Y2022/V41/I11/15
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