sienna-graham_60a4d700e466f
sienna-graham_60a4d700e466f
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A velocidade media será 160/2 vm= 80Km/h considerando o movimento uniforme ou seja velocidade constante usaremos a equaçao do mu S=So+Vt S= 0+80.(4) S= 320Km 2) S=So+Vt 400=0+80t t=400/80 t=5h obs So= ESPAÃO INICIAL = 0 NESTE CASO