A police car is chasing another car that was used in a bank robbery. The police car has a mass that is 1.2 times the mass of the car it is chasing. The police car has a speed of 40.0 m/s, and the other car is traveling at 35.0 m/s. The police car rams the back of the robber's car. Afterward, the police car is going 35.0 m/s. How fast would the robber's car be going after the collision? 3' O 45 m/s 0 38 m/s 0 41 m/s 0 43 m/s 0 47 m/s