jdsfdujfi5349 jdsfdujfi5349

19-03-2024
Physics

contestada

A 120 m long train is moving in a direction with speed 20m/s. A train B moving with 30m/s in the opposite direction and 130 m long crosses the first train in a time of :
A. 5s
B. 36s
C. 38s
D. None of these

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