物理二維運動問題 - 運動
By Dinah
at 2007-06-29T00:00
at 2007-06-29T00:00
Table of Contents
一架飛機距離地面100公尺水平飛行,速度為40.0M/S,他如果丟下包裹,問包裹落地時相對於投下處之距離不考慮空氣阻力我有答案yf=yi+vyit-1/2gt平方-100M=0+0-1/2(9.8m/s平方)t平方t平方=20.4S平方t=4.52s重點來了請問第一個式子怎變換到第二個的100M呢如果可以請每一步驟詳細說明謝啦計算過程佳拜託
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運動
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By Edith
at 2007-07-02T12:14
at 2007-07-02T12:14
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