Answer to Question #334472 in Physics for Alemayehu kumsa

Question #334472

The total electric motor of a model train accelerates the train from rest to 0.620 m/s in 21.0cs the total mass of the train is 875g find the average power delivered to the train during the accelerates

Expert's answer

"P=\\frac{mv^2}{2t}=\\frac{0.875*0.620^2}{2*21.0*10^{-3}}=8.0\\:\\rm W"

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