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4. 一物沿直線運動時之位置(x)對時間(t)的關係如附圖,哪一段表示速度為負,而加速度為正? (A) AB段 (B) BC段 (C) CD段 (D) DE段
問題詳情
4. 一物沿直線運動時之位置(x)對時間(t)的關係如附圖,哪一段表示速度為負,而加速度為正?
(A) AB段
(B) BC段
(C) CD段
(D) DE段
參考答案
答案:[無官方正解]
難度:非常困難0
統計:A(0),B(0),C(0),D(0),E(0)
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