問題詳情

10. Calculate the average power needed to spin a uniform, solid disk of mass 2.2 kg and radius 0.70 m from rest to 10.0 rad/s in 2.3 s.
(A)9.2W,
(B)11.6 W,
(C) 14.0 W,
(D) 12.0 W,
(E) 16.4 W.

參考答案

答案:B
難度:計算中-1
書單:沒有書單,新增