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.
火箭以 60° 发射, v_0 = 100 m/s。向量轨迹 \vec r(t) 。
火箭以 60° 发射, v_0 = 100 m/s。向量轨迹 \vec r(t) 。
Natural Language
Math Input
Extended Keyboard