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A 8000 kg engine pulls a train of 5 wagons, each of 2000 kealong a horteontal track. If the engine exerts a force of 40o0e Nand the track offers a friction force of 5000 N, then ealeulatelal the net accelerating forceIbj the acceleration of the train: andiel the force of wagon 1 on wagon 2

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