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。
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。
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