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右圖為兩條原長相等的彈簧A(彈力常數k)與彈簧B(彈力常數K),兩彈簧的上端相距L,並繫於水平衡桿上。【題組】6.下端則懸掛一長度L的細棒,棒上的P點吊有一質量為m的物體,此時兩彈簧有相同的伸長量d,
問題詳情
右圖為兩條原長相等的彈簧A(彈力常數k)與彈簧B(彈力常數K),兩彈簧的上端相距L,並繫於水平衡桿上。
【題組】
6.下端則懸掛一長度L的細棒,棒上的P點吊有一質量為m的物體,此時兩彈簧有相同的伸長量d,且細棒保持水平狀態,若忽細棒的重量,已知重力加速度大小為g,求彈簧的伸長量d=?
參考答案
答案:C
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
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