A model train powered by an electric motor accelerates from rest to 0.600 m/s in 26.0 ms. The total mass of the train is 670 g. What is the average power (in W) delivered to the train by the motor during its acceleration?

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Q: A cat's crinkle ball toy of mass 28 g is thrown straight up with an initial speed of 5 m/s. Assume…

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Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.