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QUESTION
A subway train is traveling at 83 km/h when it approaches a slower train 46m ahead traveling in the same direction at 23 km/h.If the faster train...
A subway train is traveling at 83 km/h when it approaches a slower train 46m ahead traveling in the same direction at 23 km/h.If the faster train begins decelerating at 2.1 meter per second square while the slower train continues at constant speed, how soon will they collide? If the faster train begins decelerating at 2.1 meter per second square while the slower train continues at constant speed, at what relative speed will they collide?
