Ball Only    Graph A  Graph B  Graph C

QUESTION 2

First select "Ball Only" and then click "play" to view the animation of the red ball. Describe the motion of the ball in words.
Now view the three possible position vs. time graphs A, B, and C by clicking the links and then "play".

1. Which one is the correct graph of the "Ball Only" motion? Give at least one reason why each of the other two graphs is incorrect.
2. Find the algebraic formula modelling the motion of the ball.
3. Find algebraically the values of t for which x = -1.