問題詳情
17.如圖，有一長度為€的均勻木桿，能夠繞其上端自由轉動，把木桿的下侧浸入水中，當浸沒
時達到平衡，則此桿的比重為何？
時達到平衡，則此桿的比重為何？
參考答案
答案：A
難度：適中0.554691
統計：A(1425),B(74),C(266),D(579),E(0) #
個人：尚未作答書單：公文、公文處理時限
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