等速率圓周運動的問題 - 運動
By Rae
at 2008-04-06T00:00
at 2008-04-06T00:00
Table of Contents
以36km/hr的速度在半徑200公尺的彎路上行駛之火車,欲使鐵軌不受側壓,則外側鐵軌應較內側鐵軌高出若干?(但二鐵軌之間之距離為120公分而g=10m/s平方)
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運動
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By Tristan Cohan
at 2008-04-06T07:17
at 2008-04-06T07:17
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