A modded Prius electric car is powered by sixty lithium-iron-phosphate batteries. At a freeway speed of 108 km/h, the average frictional force on the vehicle is only 200 Newton.
(a) Find what is the power provided to the electric motor when the car travels at freeway speeds?
(b) Each battery can store an energy of 0.1 kW•hr. Convert this to Joules, then determine the total energy (in Joules) that can be delivered by the sixty batteries before they run dry.
(c) Find how many minutes can the car run before the batteries run out of power?
(d) Determine how many kilometers can the vehicle drive before it needs to be recharged?
(e) The combination of batteries delivers 24 A•hr of charge. Convert this into Coulombs.
(f) Using simple unit analysis, find what is the output voltage of the array?