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Los datos son:
vi = 0 m/s
a = 1,2 m/s²
d = 940 m
t = ?
Calculamos el tiempo.
d = 1/2 at²
940 m = 1/2 (1,2 m/s²) (t)²
940 m = 0,6 m/s² (t)²
(940 m) / (0,6 m/s²) = t²
1566,67 s² = t²
√1566,67 s² = t
40 s = t
Respuesta
t = 40 segundos