a puckoves 2.35m/s in a -22.0direction. a hockey stic pushes it for .0215 s, anging its velocity to 6.2m/s in a 50.9 direction. what was the magnitude of the acceleration?

Abumper car with a mass of 250 kg is traveling at a speed of 4 m/s. this bumper car collides and sticks to a second bumper car with a mass of 250 kg, which is initially at rest. what is the final speed of these two bumper cars after the collision, assuming they remain stuck together?