In a high-speed chase, a policeman’s car bumps a criminal’s car directly from behind to get his attention.

The policeman’s car is moving at 40.0 m/s to the right and has a total mass of 1800 kg. The criminal’s car is initially moving in the same direction at 38 m/s. His car has a total mass of 1500 kg. Assuming an elastic collision, determine their two velocities immediately after the bump.

Cheaper, More malleable, and repairs? Though easier, it last about as long as it takes for an egg to rot.