The picture shows the unfortunate situation in which two locomotive drivers found themselves. The trains are driving in opposite directions on the same track.
The only aid is one short spur line. It can take one engine or one wagon at a time. There is only one engine and one wagon in each train. Both ends of the engine can be hooked on a wagon. A wagon can be hooked in both ends, of course either on another wagon or on an engine
How can they pass each other?
How would you advise the locomotive drivers? Please draw a step by step solution.
The Attempt at a Solution
the wagon from the train on the right stays on the track while the engine of the same train goes to the spur line, then the train on the left goes forward and hooked the wagon which is still on the track...
6.5 KB Views: 544