A car has a mass of 2,000 kg and travels at 20.0 m/s.If the drag force is 100 N,the power the engines have to provide to keep moving at constant speed is
A) 2.0 kW.
B) 2.9 kW.
C) 3.4 kW.
D) 3.9 kW.
E) 4.2 kW.

Question

Quizplus · Accepted Answer

The power required to overcome the drag force is calculated using the formula Power = Force x Velocity. Here, Power = 100 N x 20.0 m/s = 2000 W, which is 2.0 kW.

A Car Has a Mass of 2,000 Kg and Travels