And x0 I'm going to reduce to 0 by choice of my origin being here.

0 等于零,因为我把原点取在这里

耶鲁公开课 - 基础物理课程节选

So I realize that the constant, c, is the initial location of the object, and it's very common to denote that by x0.

所以我发现常数c,就是物体的初位移,我们习惯用x0表示

耶鲁公开课 - 基础物理课程节选

So what are these two other numbers, x0 and v0 and x-not and v-not?

那么这另外两个量是多少,x0 和 v0

耶鲁公开课 - 基础物理课程节选

For the x part, I'm going to write x = x0 + v0 t.

对于 x 分量,有 x = x0 + v0 ? t.

耶鲁公开课 - 基础物理课程节选

Okay, so the final answer is that x=x0+v0t+at^/2.

最终的结果是,x=x0+v0t+at^/2

耶鲁公开课 - 基础物理课程节选