• 2022-05-31
    图示均质圆盘绕定轴O转动。圆盘的质量为m,半径为R,角速度为ω。圆盘的动能为( )。[img=135x131]1803c34aeed6543.jpg[/img]
    A: [img=114x57]1803c34af8bf791.jpg[/img]
    B: [img=114x57]1803c34b02a5304.jpg[/img]
    C: [img=121x57]1803c34b0f6c25e.jpg[/img]
    D: [img=112x57]1803c34b1acc288.jpg[/img]
  • 举一反三