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Velocidad inicial (vi) = 30 km/h (1000 m) / (1 km) (1 h) / (360 s) = 8.33 m/s
Aceleración (a) = 3.5 m/s²
Tiempo (t) = 6.8 s
Velocidad final (vf) = ?
Calculamos la velocidad final.
vf = vi + at
vf = 8.33 m/s + (3.5 m/s²) (6.8s)
vf = 8.33 m/s + 23.8 m/s
vf = 32.13 m/s
Pasamos la vf a km/h
vf = 32.13 m/s (3600 s) / (1 h) (1 km) / (1000 m) = 115.67 km/h
RESPUESTA: La velocidad final es: 115.67 km/h