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.
物体从高度3米以初速度20米/秒竖直向上抛出。模型:。确定最大高度。
物体从高度3米以初速度20米/秒竖直向上抛出。模型:。确定最大高度。
Natural Language
Math Input
Extended Keyboard