位移大小正负怎么比较,是绝对值么速度大小呢`````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````

位移大小正负怎么比较,是绝对值么速度大小呢````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````` 位移怎么比较大小 位移有正负,位移大小无正负, 【急】简谐运动加速度速度位移的大小比较时要考虑正负吗?就是比较增大减小时. 加速度用正负比较大小么? 怎样比较位移大小 位移能不能比较大小 负分数怎么用绝对值比较大小 绝对值比较大小怎么写过程. 正负角的大小比较 用绝对值比较大小 利用绝对值比较大小 平均速度的大小是绝对值?平均速度的大小位移除以时间 是否要绝对值? 位移大小怎么算? 三角函数值大小比较 考虑正负吗 还是只考虑其绝对值 怎么比较地球上线速度大小? 矢量(加速度)带正负怎么比较大小,标量(重力势能,功)带正负呢 正负比大小怎么比