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2013-05-28T00:01:01-03:00

S = 30 Km

t = 20 min = 1 / 3 de hora

 

V = S / t

V = 30 / 1 /3

V = 30 . 3

V = 90 Km/h

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2013-05-28T00:37:29-03:00

Vm=?

Delta s=30Km

Delta t=20Min /60 = 3...h

 

Vm=30/3

Vm=10km/h

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