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範例:弦上橫波與虎克定律

某彈簧質量1.0千克長5米,若將其一端固定,且在另一端施一水平拉力10牛頓時,長度變為10米;同時在此施力端以每秒2次之頻率上下振動,產生週期波,求(1)波速 (2)波長 (3)若頻率不變但拉力變為20牛頓時,波速為若干?


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Posted in 波的基本性質.

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By admin – 2009 年 08 月 10 日

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