Question: 3 When t = 0, the train has a speed of 8 m/s, which is increasing at 0.6 m/s'. Determine the magnitude of the acceleration

3 When t = 0, the train has a speed of 8 m/s, which is increasing at 0.6 m/s'. Determine the magnitude of the acceleration of the engine when it reaches point A, at t = 15 s. Here the radius of curvature of the tracks is PA = 400 m. v, = 8 m/s 4

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