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範例:都卜勒效應與相對運動[82日大]

靜止的時候,甲車喇叭發出的頻率為2f,乙車喇叭發出的頻率為f。現在讓甲乙兩車以v的速率相向運動;令聲速為V。如果甲車所聽到乙車喇叭的頻率,與甲車自己喇叭的頻率相同,則乙車所聽到甲車喇叭的頻率,為f的幾倍?      【82日大】


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Posted in 歷屆物理考題, 都卜勒效應.

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By admin – 2009 年 10 月 09 日

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