kg is a fundamental not derived unit as you suggested

送交者: meiyou 于 2007-09-13, 15:18:57:

回答: I don't think wiki can tell you what mass is 由 008 于 2007-09-13, 14:59:52:

the question is why e=mc2 is so simply. e=mc2 implies a dimention system used.
my answer is to tell you kg is a fundamental not derived unit as you suggested.
you are asking the wrong question

所有跟贴:

加跟贴