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Vo=60 Km/h=16,67 m/s
Vf=Vo+at=16,67+0,8*15
Resp___Vf=28,67 m/s___(Vel. despues de 15 segundos)
Vf²=Vo²+2ax......despejando "x"
x=Vf²-Vo²/2a = 28,67²-16,67²/2*0,8
Resp___x=340,05 m___(desplazamiento recorrido en 15 segundos)