問題詳情
25.根據虎克定律可知，彈簧在彈性限度內作實驗，施 10Kgw 拉力可使彈簧伸長3cm，改換成施力 30Kgw的拉力則可使彈簧伸長多少 cm？
(A)
(B)
(C)
(D) 6。
(A)
(B)
(C)
(D) 6。
參考答案
答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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