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Energy Content of Gasoline

Could use some help with this problem and solve using a traditional physics formula:
Assume the energy content of gasoline is 40 MJ per liter. How many kilometers will a car go if its engine is 25% efficient and it encounters an average retarding force of 1000N at highway speed?

Solution Summary

This solution contains stepwise calculations and brief explanations to determine the how many kilometers the car will travel.