如图所示质量为40克的金属小球从导轨的a处自由滑下依次经过b、c处到达d处时恰好停下从a到b的过程中重力做功为( )焦 在整个运动过程中小球克服导轨摩擦消耗的机械能为( )焦
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/31 21:17:46
![如图所示质量为40克的金属小球从导轨的a处自由滑下依次经过b、c处到达d处时恰好停下从a到b的过程中重力做功为( )焦 在整个运动过程中小球克服导轨摩擦消耗的机械能为( )焦](/uploads/image/z/14699189-29-9.jpg?t=%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%E8%B4%A8%E9%87%8F%E4%B8%BA40%E5%85%8B%E7%9A%84%E9%87%91%E5%B1%9E%E5%B0%8F%E7%90%83%E4%BB%8E%E5%AF%BC%E8%BD%A8%E7%9A%84a%E5%A4%84%E8%87%AA%E7%94%B1%E6%BB%91%E4%B8%8B%E4%BE%9D%E6%AC%A1%E7%BB%8F%E8%BF%87b%E3%80%81c%E5%A4%84%E5%88%B0%E8%BE%BEd%E5%A4%84%E6%97%B6%E6%81%B0%E5%A5%BD%E5%81%9C%E4%B8%8B%E4%BB%8Ea%E5%88%B0b%E7%9A%84%E8%BF%87%E7%A8%8B%E4%B8%AD%E9%87%8D%E5%8A%9B%E5%81%9A%E5%8A%9F%E4%B8%BA%EF%BC%88+%EF%BC%89%E7%84%A6+%E5%9C%A8%E6%95%B4%E4%B8%AA%E8%BF%90%E5%8A%A8%E8%BF%87%E7%A8%8B%E4%B8%AD%E5%B0%8F%E7%90%83%E5%85%8B%E6%9C%8D%E5%AF%BC%E8%BD%A8%E6%91%A9%E6%93%A6%E6%B6%88%E8%80%97%E7%9A%84%E6%9C%BA%E6%A2%B0%E8%83%BD%E4%B8%BA%EF%BC%88+%EF%BC%89%E7%84%A6)
xMoA BHzf&&=xhffwY,O55jEll
!WvfS^v睙}-E>fswZl}4[S.;C{PCweUWoΠ^g$&|xuYM?h1<(!yi4{Lu>wl̆y'F{uZ%3Yxb/eusnkF}h?ix_3/H4!OP"FvG