問題詳情
22設甲、乙兩車同作直線運動，其運動位置（x）與時間（t）的關係如圖所示，則0~4秒期間的運動描述，何者正確？ 
(A) 乙車速度永遠比甲車小
(B) 乙車速度漸減
(C) 乙車的加速度方向為正
(D)乙車永遠領先甲車。
(A) 乙車速度永遠比甲車小
(B) 乙車速度漸減
(C) 乙車的加速度方向為正
(D)乙車永遠領先甲車。
參考答案
答案：C
難度：簡單0.818182
統計：A(1),B(3),C(18),D(0),E(0)
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