運動與力(懇請物理高手) - 運動
By Lucy
at 2011-08-12T00:00
at 2011-08-12T00:00
Table of Contents
1.佳玲某日在千囍公園沿粗糙溜滑梯斜面滑下,則下列敘述何者正確?(A)在下滑過程中,佳玲的加速度量值均保持不變(B)在下滑過程中,斜面給佳玲的支撐力恰為佳玲的重量(C)在下滑的過程中,若佳玲沿斜面等速下滑,則佳玲不受摩擦力影響(D)對佳玲而言一共受到四個力作用>>我是選(D);因為我是想
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運動
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By Barb Cronin
at 2011-08-13T19:20
at 2011-08-13T19:20
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at 2011-08-15T10:28
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