Respostas

2014-09-01T22:02:25-03:00
Ec=m.v²
        2
Ec=20,000.108²
           2
Ec= 233,280,000
            2
Ec=116,640,000
1 1 1
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2014-09-01T22:29:06-03:00
Ec.mv2\ 2 Ec= 20000x108.2\2
Ec=116.640.000
1 5 1