國三理化問題-直線運動 - 運動
By Faithe
at 2007-08-03T00:00
at 2007-08-03T00:00
Table of Contents
1.將一小球鉛直上拋,忽略空氣阻力的作用,達最高點時速度為零,繼而下墜至原處,有關小球的運動情形,下列敘述何者正確?(A)在最高點時靜止,加速度為零(B)上升和下降過程中,加速度的大小和方向都相同(C)上升時加速度方向向上,下降時加速度方向向下(D)上升時加速度方向向下,下降時加速度方�
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運動
All Comments
By Andy
at 2007-08-06T03:48
at 2007-08-06T03:48
By Dora
at 2007-08-04T19:45
at 2007-08-04T19:45
By Isla
at 2007-08-06T16:35
at 2007-08-06T16:35
By Oscar
at 2007-08-05T21:22
at 2007-08-05T21:22
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