13. Two trains 2000 m apart on the same track are moving toward each other one at 15 m/s and the other starts at rest an
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13. Two trains 2000 m apart on the same track are moving toward each other one at 15 m/s and the other starts at rest an
13. Two trains 2000 m apart on the same track are moving toward each other one at 15 m/s and the other starts at rest and accelerates toward the other train at 2.0 m/s2 How long before they collide. A. 130s B. 65 s C. 38 s D. 120 s E. other
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