Datos:
v0 = 100 km/h = (100 km/h).(1000 m/1 km).(1 h/3600 s) = 27,78 m/s
vf = 50 km/h = (50 km/h).(1000 m/1 km).(1 h/3600 s) = 13,89 m/s
x = 1.500 m
a) Aplicando:
a = -0,193 m/s²
b) Aplicando:
vf = v0 + a.tt = (vf - v0)/a
t = (27,78 m/s - 13,89 m/s)/(- 0,193 m/s²)t = 72 s
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Datos:
v0 = 100 km/h = (100 km/h).(1000 m/1 km).(1 h/3600 s) = 27,78 m/s
vf = 50 km/h = (50 km/h).(1000 m/1 km).(1 h/3600 s) = 13,89 m/s
x = 1.500 m
a) Aplicando:
a = -0,193 m/s²
b) Aplicando:
vf = v0 + a.t
t = (vf - v0)/a
t = (27,78 m/s - 13,89 m/s)/(- 0,193 m/s²)
t = 72 s