Physics
Physics, 31.07.2019 19:30, dinapaul424

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? (30,45,60,80km/h)

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Annabelle is taking the polar express all the way to the north pole! the polar express is 100 meter...

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