Respuesta:
revisa las respuestas
Explicación:
Datos
Vo = 80 m/s
V = 160 Km/h = 44.44 m/s
t = 2.3 min = 138 s
1)
a = (V - Vo)/t
a = (44.44 - 80)/138
a = -35.56/138
a = - 0.26 m/s2
2)
al detenerse la velocidad final será = 0m/s
t = (V - Vo)/a
t = 0 - 80/ -0.26
t = 307.69 s
3)
d = Vot + 1/2at^2
d = 80(307.69) + 1/2(-0.26)(307.69)^2
d = 24615.2 - 12307.51
d = 12307.69 m
4)
V = Vo + at
V = 80 - (-0.26)(100)
V = 80 + 26
V = 106 m/s
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Respuesta:
revisa las respuestas
Explicación:
Datos
Vo = 80 m/s
V = 160 Km/h = 44.44 m/s
t = 2.3 min = 138 s
1)
a = (V - Vo)/t
a = (44.44 - 80)/138
a = -35.56/138
a = - 0.26 m/s2
2)
al detenerse la velocidad final será = 0m/s
t = (V - Vo)/a
t = 0 - 80/ -0.26
t = 307.69 s
3)
d = Vot + 1/2at^2
d = 80(307.69) + 1/2(-0.26)(307.69)^2
d = 24615.2 - 12307.51
d = 12307.69 m
4)
V = Vo + at
V = 80 - (-0.26)(100)
V = 80 + 26
V = 106 m/s