問題詳情
48.
(A)
(B)
(C)
(D)
參考答案
答案：C
難度：適中0.5
統計：A(2),B(5),C(9),D(1),E(0)
難度：適中0.5
統計：A(2),B(5),C(9),D(1),E(0)
用户評論
【vincent12029】評論
N = (120*f)/P = 120*60/6 = 1200rpmT = P/ww = 2π*(N/60) = 2π*(1200/60) = 40πT = P/w = 24000*3/40π = 1800/π
48.
【vincent12029】評論
N = (120*f)/P = 120*60/6 = 1200rpmT = P/ww = 2π*(N/60) = 2π*(1200/60) = 40πT = P/w = 24000*3/40π = 1800/π