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17.在直線上沿一定方向運動的物體,速度愈來愈快,則可能: (A)沒有加速度 (B)加速度逐漸減少 (C)加速度與速度反方向 (D)加速度與運動方向垂直 (E)時間間格相同時位移量相同。
問題詳情
17.在直線上沿一定方向運動的物體,速度愈來愈快,則可能:
(A)沒有加速度
(B)加速度逐漸減少
(C)加速度與速度反方向
(D)加速度與運動方向垂直
(E)時間間格相同時位移量相同。
參考答案
答案:B
難度:困難0.285714
統計:A(0),B(4),C(1),D(5),E(2)
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