Question: An electrically powered train car draws a power P. If the car has weight W and starts from rest, determine the maximum speed it attains

An electrically powered train car draws a power P. If the car has weight W and starts from rest, determine the maximum speed it attains in time t. The mechanical efficiency is ε.

Given: P = 30 kW W = 40000 lbf t = 30 s = 0.8 E =

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