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vi = 15 m/s
vf = 30 m/s
t = 4s
a = ?
d = ?
Calculamos la aceleración.
a = (vf - vi)/t
a = (30 m/s - 15 m/s)/4s
a = (15 m/s)/4s
a = 3,75 m/s²
La aceleración es 3,75 m/s²
Calculamos la distancia:
d = (vf + vi)/2 * t
d = (30 m/s + 15 m/s)/2 * 4s
d = (40 m/s)/2 * 4s
d = 22,5 m/s * 4s
d = 90 m
La distancia es 90 metros