Suppose we have the following situation.
There is a 1,000 km long straight road of good quality (specially good for fast driving, like a race track) with no hills, or stoplights or any other obstructions. The weather is fine and there is no traffic at all. And we have two Tesla Model X cars (both have a 100% full charged 85 kWh battery), 1 is red and has 1 motor, and the other is blue and has a dual motor. Both start at the same time and drive side by side at the same speed (200 km/hr), and the cruise control keeps them at that speed until the battery will have gone fully empty (0%). There are no pit-stops or anything. Both cars have only the driver sitting in them. Both cars are equally equiped, and have the same tyres, etc.
My questions are:
1) Does the single motor of the red Tesla Model X have to work "harder", compared to the two separate motors of the blue Tesla Model X? Regarding that both cars are driving at the same speed of 200 km/hr.
2) Do the two separate motors in the blue Tesla Model X have to work equally "hard"? Or is there a difference between the two separate motors?
3) Do the two separate motors in the blue Tesla Model X always work together from the start, or will the second motor be turned on only at a certain speed?
4) Will the total distance of the journey of both cars be the same (when the battery finally is empty), or will 1 of the cars stop earlier than the other?
5) Can we say something about how long the total distance (separately) of the journey of both cars will be in km?
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