Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
一个物体的速度为 v(t) = t^2 - 4t + 3 m/s。计算从 t = 0 到 t = 4 s 的净位移和总走过的距离。
一个物体的速度为 v(t) = t^2 - 4t + 3 m/s。计算从 t = 0 到 t = 4 s 的净位移和总走过的距离。
Natural Language
Math Input
Extended Keyboard