問題詳情
55.tAn ice skater with rotational inertia I and angular speed ω pulls his arms in and increases his angular speed to 3ω. Calculate the change in kinetic ener^.
(A)
(B)
(C)
(D)Iω2
(E)
參考答案
答案：D
統計：A:0,B:0,C:0,D:1,E:0
難度：計算中
55.tAn ice skater with rotational inertia I and angular speed ω pulls his arms in and increases his angular speed to 3ω. Calculate the change in kinetic ener^.
(A)
答案：D
統計：A:0,B:0,C:0,D:1,E:0
難度：計算中