Respostas

2013-05-05T13:58:15-03:00

18.000/1000: 18

a) 18m/s

 

15*1000: 15000

b)15000 km/h

 

 

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A melhor resposta!
2013-05-05T14:06:24-03:00

1800/3,6 =500m/s

15m/s   X   3,6=54km/h

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