Suppose a car travels 119 km at a speed of 25.0 m/s, and uses 2.5 gal of gasoline. Only 27% of the gasoline goes into useful work by the force that keeps the car moving at constant speed despite friction. (See Table 7.1 for the energy content of gasoline.) What is the force exerted to keep the car moving at constant speed?
- Anonymous3 months ago
unrelated to personal finance. Cheater.