Question a locomotive of mass 5 metric tons 5000 kg pulls a, Ask an Expert

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Question: A locomotive of mass 5 metric tons (5000 kg) pulls a short train consisting of 4 coal cars, each of mass 1000kg. If the acceleration of the train on a level stretch of track is 0.098 m/s2 and you can ignore friction between the coal car wheels and the track,

Part A: What is the tension in the coupling between the locomotive and the first coal car?

I need help to find the tension in the coupling between the locomotive and the first coal car.

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