guilhermelibras
guilhermelibras
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Vm = d/t d = distancia t = tempo Vm = 200m/2min = 100m/min Vm = 200m/120s = 1,66m/s Vm = 0,2Km -:- 2/60h = 0,2x60 / 2 = 0,1x60 = 6km/h
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R = y.x R = 4800,00 y = 100 - 0,5x portanto 4800 = (100 - 1/2x)(x) 4800 = 100x - 1/2x² 9600 = 200x - x² x² - 200x + 9600 = 0 /\ = b² - 4ac /\ = 40000 - 38400 /\ = 1600 x = "200 +- 40"/2 x' = 220 x"=180 po…
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R = y.x R = 4800,00 y = 100 - 0,5x portanto 4800 = (100 - 1/2x)(x) 4800 = 100x - 1/2x² 9600 = 200x - x² x² - 200x + 9600 = 0 /\ = b² - 4ac /\ = 40000 - 38400 /\ = 1600 x = "200 +- 40"/2 x' = 220 x"=180 po…
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R = y.x R = 4800,00 y = 100 - 0,5x portanto 4800 = (100 - 1/2x)(x) 4800 = 100x - 1/2x² 9600 = 200x - x² x² - 200x + 9600 = 0 /\ = b² - 4ac /\ = 40000 - 38400 /\ = 1600 x = "200 +- 40"/2 x' = 220 x"=180 po…
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Vm = d/t d = distancia t = tempo Vm = 200m/2min = 100m/min Vm = 200m/120s = 1,66m/s Vm = 0,2Km -:- 2/60h = 0,2x60 / 2 = 0,1x60 = 6km/h