• 2021-04-14
    一质点从静止出发沿半径R=1m的圆周运动,其角加速度随时间t的变化规律是
    (SI),则t=1s时质点的角速度http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/65fcf6a1dd0142e39d3b9581b63dbf8d.png