理化'直線運動'速度與速率~^^~擅長理化的人教教我唄!謝了 - 運動
By Oliver
at 2005-09-06T00:00
at 2005-09-06T00:00
Table of Contents
理化<直線運動1.甲乙兩鎮相距24km,今ㄚ扁開車由甲鎮以6km/hr的速度開往乙鎮,馬上又以12km/hr的速度開回甲鎮,則下列敘述何者正確?為什麼?A.全程平均速率為8km/hrB.全程平均速率為9km/hr謝謝你喲!@@"謝謝你喲!@@"^^真心的感謝你~...Showmore
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運動
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By Skylar DavisLinda
at 2005-09-06T18:08
at 2005-09-06T18:08
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