You shoot something, you should know when it will land, where it will land, with what speed it will land, how high it will go.

抛出一个物体,我们要知道落地时间,落地位置,还有落地的速度,最高点的高度

耶鲁公开课 - 基础物理课程节选

I want you to find the speed so it will land here.

我希望你们求出初速度,使它落在这儿

耶鲁公开课 - 基础物理课程节选