牛頓第一運動定律 - 運動
By Cara
at 2008-11-01T00:00
at 2008-11-01T00:00
Table of Contents
我有兩個關於牛頓第一定律的問題,想問各位大大:1.地球由西向東轉,而人自地面垂直跳起,最後仍然落於原處,此說明哪一定律?答是:牛頓第一運動定律2.章瑜在塔頂拉動一個1kgw且以細線綁住蘋果,若不考慮繩子重量和空氣阻力,欲使蘋果維持2m/s的等速度上升,則章瑜需施力多少?答是:1kgw這兩題�
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運動
All Comments
By Ivy
at 2008-11-04T05:33
at 2008-11-04T05:33
By Oliver
at 2008-11-02T08:43
at 2008-11-02T08:43
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