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8 June, 14:00

Annabelle apanhou o Polar Express até o Pólo Norte! O Polar Express tem 100 metros de comprimento e leva 30 segundos para atravessar a ponte de gelo de 400 metros do Papai Noel. Qual a velocidade do trem?

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  1. 8 June, 14:04
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    Speed of train = 16.67 m/s

    Step-by-step explanation:

    The translated question is

    Annabelle took the Polar Express to the North Pole! The Polar Express is 100 meters long and takes 30 seconds to cross the Santa Fe 400 meter ice bridge. How fast is the train?

    Total distance traveled by train to cross the bridge = Length of bridge + Length of train

    Total distance traveled by train to cross the bridge = 400 + 100 = 500 meter.

    Time taken for this = 30 seconds.

    Speed = Distance / Time = 500/30=16.67 m/s
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