問題詳情
35. A 10 N tangential force is applied at the edge of a 20 kg disk with a radius of 2.0 m. Then, the disk rotates from rest.What is the kinetic energy of the disk 3.0 s after the force is applied?
(A) 180 J
(B) 360 J
(C) 45 J
(D) 90 J
(E) 23 J
(A) 180 J
(B) 360 J
(C) 45 J
(D) 90 J
(E) 23 J
參考答案
無參考答案
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