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範例:音爆與飛行高度

一協和客機在離地5000 m高的空中，以2.0馬赫的超音速在水平面上沿一直線飛行，試求：(1)馬赫角為何？(2)若飛機恰好從地面上一位觀察者的頭頂正上方飛越，則飛機從頭頂飛過後多久時間，該觀察者會聽到音爆的響聲？（設當時的聲速為331m/s）

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Posted in 音爆.

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By admin – 2009 年 10 月 09 日

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