高二物理~質心運動~~20點((急!! - 運動
By Linda
at 2012-01-08T00:00
at 2012-01-08T00:00
Table of Contents
想問有關質心運動的問題,題目是某物體以某速度沿粗糙鞋面上滑,達到最高點後又滑回原處,下列敘述何者正確?(A)上滑過程重力施予物體的衝量比下滑過程小(B)上滑過程重力施予物體的衝量與下滑過程相等(C)上滑過程摩擦力施予物體的衝量量值與下滑過程相等(D)上滑過程摩擦力施予物體的衝量量值比��
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運動
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By Rae
at 2012-01-12T22:49
at 2012-01-12T22:49
By Gary
at 2012-01-08T23:26
at 2012-01-08T23:26
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