Impact - Conceptual Example 9.4-1

 

A car initially moving with speed v heads directly toward a parked car. The driver reacts by slamming on the brakes. Due to icy conditions, the car slides and is unable to decrease its speed. The car hits the parked car and the two stick together.

 

If the cars are approximately the same weight, what is their speed after the collision?

 

v
0.5v
0
Not enough information is provided.