問題詳情
9. 一均勻彈簧原長為λ，力常數為K，將此彈簧切成二段，長度比為3：1，則較長一段之力常數為
(A) 4K
(B) 3K
(C) K
(D) K
(A) 4K
(B) 3K
(C) K
(D) K
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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