Physics

Problem

If a car's engine provides a driving force,

F

, and the car travels a distance,

s

, at a speed,

v

, during a time,

t

, which of the following statements about the power,

P

, developed by the engine is correct: a.

P = \frac{Fs^2}{t}

P = Ft

P = Fv

P = \frac{Fv^2}{2}