You start here and you fire a projectile It's going to go up and it's going to come down.

从这开始,你抛出一个物体,它将上升至一定高度然后落下

耶鲁公开课 - 基础物理课程节选

So y=y0+5 meters, and that was the height to which it rises.

因此y=米,这就是它会上升的高度

耶鲁公开课 - 基础物理课程节选