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Three identical 1.20 μC point charges are located at the corners of an equilateral triangle whose sides are 0.450 meter long. Evaluate the potential energy of the system?
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Question: The starter motor of a car engine draws an electric current of 110 A from the battery. The copper wire to the motor is 4.20 mm in diameter and 1.73 m long. The starter motor runs for 0.95 s before the car engin ...
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