Two trains, passenger cars 200 meters long, 300 meters per second; freight cars 300 meters long, 20 meters per line, two cars in parallel track up into a few seconds later, passenger cars over freight cars

Two trains, passenger cars 200 meters long, 300 meters per second; freight cars 300 meters long, 20 meters per line, two cars in parallel track up into a few seconds later, passenger cars over freight cars

(bus leader + truck leader) / (bus speed - truck speed)
Just put in the specific figures
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