u don't have sense of mechanics,no matter how much


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送交者: JFF 于 2010-05-18, 09:52:30:

回答: F=Ma, where F=100g, m=10K ton, what is a and v(t)? assuming v(0)=0. hehe. 由 tinaliang 于 2010-05-18, 09:41:52:

mechanics knowledge you possess. hehe

你能用一根头发拉动你家DRIVEWAY上的CAR?有点COMMON SENSE好发,这是人脑和电脑的本质区别。




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