I want to go on a 500 mile trip in an electric car. The car's motor draws 42 amps at 120 Volts AC. Therefore I will need 500 miles of extension cords. I'm aware that long cords cause a voltage drop, so the cord needs to be a thicker gauge of wire, since the voltage needs to remain constant.
Here's one for all you mathematicians. What gauge wire do I need?
Once that is determined, what size enclosure do I need to hold all that wire, and what is the weight of the wire.
Note: This wire must have a strong insulation, because other drivers may drive on it, and driving over any wire with weak insulation, will cause severe momentary voltage drops as the wire is compressed, and many electrons will be killed in the process. And dead electrons entering an electric motor can be fatal to the motor, as well as clogging the motor's electron filter.