機械原理"迴轉速"問題? - 考試
By Dinah
at 2013-03-18T14:37
at 2013-03-18T14:37
Table of Contents
題目:
一飛輪直徑為D(m),其周緣一點之線速度為V(m/min)
則其迴轉速為?
(A)2ΠV/D (B)2DV/Π (C) ΠD/V (D)V/ΠD
答案為(D)
可是怎麼都算不出來?
--
一飛輪直徑為D(m),其周緣一點之線速度為V(m/min)
則其迴轉速為?
(A)2ΠV/D (B)2DV/Π (C) ΠD/V (D)V/ΠD
答案為(D)
可是怎麼都算不出來?
--
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考試
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at 2013-03-22T03:54
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