物理聲音振幅位移問題 - 社會議題
By John
at 2007-01-07T00:00
at 2007-01-07T00:00
Table of Contents
頻率為1KHZ時最小可聽見的強度是10的負12次方W/m^2然而不絕痛苦可忍受的最大強度為1W/m^2計算壓力及位移的振幅大小:1.剛好可以聽見2.剛開始覺得痛苦已知空氣密度是1.29kg/m^2且聲速為340m/s可以的話請說明公式的導出和說明原因謝謝
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社會議題
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By Callum
at 2007-01-09T23:44
at 2007-01-09T23:44
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