關於直線運動 - 運動

By Olive
at 2005-08-18T00:00
at 2005-08-18T00:00
Table of Contents
1.某物體的出速度10m/s向東,經歷2秒後以20m/s向西運動,求平均速度?要有方向和做法2.車子在筆直ㄉ公路上以20m/sㄉ速度行駛,若以-2m/s2ㄉ加速度煞車,經3秒時,求車子ㄉ位移?
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運動
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By Puput
at 2005-08-19T01:05
at 2005-08-19T01:05

By Zora
at 2005-08-21T16:02
at 2005-08-21T16:02

By Hedwig
at 2005-08-22T20:15
at 2005-08-22T20:15

By Irma
at 2005-08-18T10:13
at 2005-08-18T10:13

By Daniel
at 2005-08-20T05:15
at 2005-08-20T05:15
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