如圖，m＝0.5 kg在水平桌面上旋轉(不計任何摩擦力作用)，若繩子所能承受的最大張力值為2 N且r=1公尺，則m旋轉最大的速度值為 (A)4 (B)2 (C)1 (D)0.(E)0. m

問題詳情

4.如圖，m＝0.5 kg在水平桌面上旋轉(不計任何摩擦力作用)，若繩子所能承受的最大張力值為2 N且r=1公尺，則m旋轉最大的速度值為

(A)4
(B)2
(C)1
(D)0.
(E)0. m / s

參考答案

答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)

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