Another question is: at what angle should you fire your projectile so it will go the furthest?

另一个问题是以多大角度抛出,物体能飞得最远

耶鲁公开课 - 基础物理课程节选

I tell you the initial velocity v0, I tell you at what angle I fire it.

我会告诉你们初速度 v0,以及我以多大角度射出

耶鲁公开课 - 基础物理课程节选