This is meant to be handed out to the students.
1.(3 pts.) A car is moving to the right on an airtrack. It takes 2 seconds for the car to move 10 centimeters on the track. What is the velocity of the car?
2.(2 pts.) A car on an air track is not moving. Another car crashes into it and sticks. Do the two cars together move faster, slower, or the same speed as the original moving car?
Important Disclaimers and Caveats