問高中運動與力的問題(急) - 運動
By Mia
at 2008-03-17T00:00
at 2008-03-17T00:00
Table of Contents
(1)下列敘述何者是正確的?(請給理由)1.快慢一定的運動,一定沒有加速度2.圓周運動一定有加速度3.平均度度的大小稱為平均速率4.物體運動的方向即為合力方向5.合力必與加速度同方向6.1大氣壓約等於0.76*13.6公尺的水柱直立時底部與頂端的壓力差(2)甲,乙兩鐵球同時由相同高度釋出,甲球100公克以水平射出,��
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運動
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By Zanna
at 2008-03-20T07:12
at 2008-03-20T07:12
By Caitlin
at 2008-03-21T02:40
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at 2008-03-19T20:42
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By Frederic
at 2008-03-21T10:37
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