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範例:光滑斜面的等加速度[89學測]

如圖11 所示,一物體沿平滑斜面滑下,在下滑的過程中,下列有關該物體的加速度量值 a 和速度量值 v 的變化,何者正確?(A) a 和 v 都不變 (B) a 和 v 都漸變大 (C) a 和 v 都漸變小 (D) a 不變,v 漸變大 (E) a 漸變小,v 漸變大 [89學測]

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Posted in 歷屆學測(推甄)考題, 物體運動的軌跡.

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