Two trains, one training at 72.0km/h and the other at 144km/h, are headed toward one another along a straight, level track. when they are 1100m apart, each engineer sees the other;s train and applies the brakes. This causes each train to have an acceleration against the train direction of motion with the magnitude of 1.00 m/s^2.  Calculate the distance required for each train to come to a complete stop and based on this result conclude whether there will be a collision?  Calculate the time required for each train to come to a stop.

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Projectile Motion