Question: A bullet train moves with a position that varies with time according to r = 1.50t + 1.00+t^2 where t is in seconds and r

A bullet train moves with a position that varies with time according to r = 1.50t + 1.00+t^2 where t is in seconds and r is in meters. You learn that the mass of the train is 2,000 kg. If all the work done is a result of the speed of the train, how much power does the train use over a time interval from t = 0s to t = 3s

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