一工人從高塔失足落下,為什麼為牛頓第二運動定律 - 運動
By Necoo
at 2006-10-23T00:00
at 2006-10-23T00:00
Table of Contents
在樹下搖果樹讓果子掉下:屬於牛頓第一運動定律一工人從高塔失足落下:屬於牛頓第二運動定律why??????
Tags:
運動
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By Oliver
at 2006-10-25T07:52
at 2006-10-25T07:52
By Mia
at 2006-10-23T11:18
at 2006-10-23T11:18
By Aaliyah
at 2006-10-26T22:24
at 2006-10-26T22:24
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