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Vo = 12 m/s
A = 2m/s²
Vf = 144 km/h (1000m/1km) ( 1 h/3600seg ) = 40 m/s
T = ?
T = Vf - Vo / A
T = 40 m/s - 12 m/s / 2 m/s²
T = 28 m/s / 2 m/s²
T = 14 seg ----->Solución
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