問題詳情
5. A grindstone increases in angular speed from 4 rad/s to 12 rad/s in 4 s. Through what angle does
it turn during that time interval if the angular acceleration is constant?
(A) 8 rad
(B) 12 rad
(C) 16 rad
(D) 32 rad
(E) 64 rad
參考答案
答案：D
統計：A:0,B:0,C:0,D:1,E:0
難度：計算中