Answer to Question #284426 in Classical Mechanics for gab

Question

A car travels with a constant speed of 8 m/s. The car’s engine produces a 5699 N pushing force in order to keep the speed constant. How much power is developed by the engine?

Answer 1

By the definition of the power, we get:

$$P=Fv=5699\ N\times8\ \dfrac{m}{s}=45592\ W.$$