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範例:都卜勒效應[78日大]

一停靠在路旁的A車正鳴著喇叭,B車以固定速度從A車近旁駛過,B車上一旅客測得A車喇叭頻率在接近它時為700赫,離開它時為660赫。若在靜止空氣中之聲速為340公尺∕秒,則A車喇叭發出之真正頻率為多少赫,B車之速率為多少公尺∕秒?【78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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