請教幾個物理問題!!!關於圓周運動.摩擦力問題..... - 運動
By Una
at 2008-09-28T00:00
at 2008-09-28T00:00
Table of Contents
以下幾個問題煩請達人解題囉!!!感謝喔!!!1.一質點作半徑32m的圓周運動時,其移動的路徑長與時間的關係為S=2t²,則質點在第2秒時的加速度值為何?ANS:4.47m/s².2.一物體以9.8m/s²的初速從地面沿仰角為30度的光滑斜面上運動,此物體所能達到的最大高度為?ANS:4.9m3.有一重250Kgw,長6m之頭尾對稱,密度均�
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運動
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By Todd Johnson
at 2008-10-01T15:04
at 2008-10-01T15:04
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