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laaisa5
@laaisa5
October 2020
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Quanto tempo demora um trem com 200 m de comprimento, que se movimenta comvelocidade constante de 36 km/h (ou 10 m/s), para atravessar uma ponte com 100 m decomprimento?
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lucasalm
Comprimentro 200m10m/s
200=10t
200/10=t
t=20s
20s -- 200m
xs -- 100m
x=2000/200
x=10s
3 votes
Thanks 2
laaisa5
preciso usar ▲s é ▲t ?
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Lista de comentários
200=10t
200/10=t
t=20s
20s -- 200m
xs -- 100m
x=2000/200
x=10s