a 12 V car battery is found to be capable of storing 2.0 kW*h of eletrical energy. for a certain eletric car, it is necessary to develop 10 kW of power to drive at 20 km/h.

a)suppose that the car has 10 such batteries. how long(hours)could it run if all 10 of them released all of their energy?

b)how far(kilemetres)can the car go on its 10 battries if they are fully charged?

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