An electric car is designed to run off a bank of 12-V batteries with total energy storage of 3.0 ´ 107 J.
If the electric motor draws 6 000 W in moving the car at a steady speed of 10 m/s, how far will the car
go before it is “out of juice?”
a. 25 km
b. 50 km
c. 100 km
d. 150 km