I could have chosen it right here and nothing would change other than that I offset the zero point B of my potential energy.

除了会抵消零点，势能什么的，都不会变，但是如果我从A到。

youdao

I could have chosen it right here and nothing would change other than that I offset the zero point B of my potential energy.

除了会抵消零点，势能什么的，都不会变，但是如果我从A到。

youdao