Resposta :
d(v)= -v²/150 = 16v/15
tirando o mmc fica
d(v)= -v² + 160v
-v² + 160v = 0
x = -b/2a
x= -160/2*(-1)
x=80km/h
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Alternativa Correta Letra E
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tirando o mmc fica
d(v)= -v² + 160v
-v² + 160v = 0
x = -b/2a
x= -160/2*(-1)
x=80km/h
******************************
Alternativa Correta Letra E
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