I'm trying to write these two unknowns in terms of these two knowns and you can solve for them.

我会试着将这两个未知量,用这两个已知量表示出来 这样你们就可以求了

耶鲁公开课 - 基础物理课程节选

It's useful to have the average acceleration, which you can find by taking similar differences of velocities.

平均加速度也是很有用的,你可以用类似方法,取速度的变化量求出来

耶鲁公开课 - 基础物理课程节选

du/dV at constant T. And so, what is it?

求恒定温度下的du/dV，但是，这个量是什么？

麻省理工公开课 - 热力学与动力学课程节选