Annabelle is taking the Polar Express ALL the way to the North Pole! The Polar Express is 100 meters long and it takes 30 seconds to cross Santa’s 400m ice bridge. What speed is the train going at?
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total distance = length of bridge+ length of train
= 400+100
= 500m
speed = distance/ time
= 500/ 30
= 16.7m/s (approx.)
= 400+100
= 500m
speed = distance/ time
= 500/ 30
= 16.7m/s (approx.)
Natashakaishyp:
gd ans
Its not.
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