RespuDATOS:
Vf = 0
Vo = 72 km/h = 20 m/s
t = 20 seg
a) a
b) d
RESOLUCIÓN:
a) a=(Vf-Vo)/t → Vf=0
a=-Vo/t
a=-20/20 = -1 m/s2 = 1m/s2
b) d=Vot - 1/2 (at2)
d = 72(20) - 1/2 (1)(20^{2})
d = 200mesta:
Explicación:
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RespuDATOS:
Vf = 0
Vo = 72 km/h = 20 m/s
t = 20 seg
a) a
b) d
RESOLUCIÓN:
a) a=(Vf-Vo)/t → Vf=0
a=-Vo/t
a=-20/20 = -1 m/s2 = 1m/s2
b) d=Vot - 1/2 (at2)
d = 72(20) - 1/2 (1)(20^{2})
d = 200mesta:
Explicación: