PHYSICS HELP NEEDED?

Question

The top speed of a car whose engine is delivering 250 kW of power is 240 km/h
Calculate the value of the resistance force on the car when its travelling at its top speed on a level road

Answer 1

V = 240/3.6 m/sec
P = F*V
250*3.6 = F*240
F = 250*3.6 kN*m/sec / 240 m/sec = 3.750 kN