Respostas

2014-08-12T13:41:33-03:00
Ec =  \frac{m . V ^{2} }{2}
Ec =  \frac{8 . 20 ^{2} }{2}
Ec =  \frac{8 . 400}{2}
Ec =  \frac{3200}{2}
Ec = 1600J
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2014-08-12T13:43:01-03:00