1. Figure 2.1

2. Iclicker Question #1 What is the average velocity as the car moves from point C to E? A)4 m/s B)80 m C)-80 m D)-4 m/s E)It depends on the make and model of car.

3. Instantaneous and Average Velocity

4. Iclicker Question #2 Given that x(t)=-5t 3 +20t, what is v(t=1) and a(t=1)? A)v=20 m/s and a=0 m/s 2 B)v=20 m/s and a=-5 m/s 2 C)v=15 m/s and a=-25 m/s 2 D)v=5 m/s and a=-30 m/s 2 E)None of the above

5. Relation between x versus t graphs and particle motion

6. Q2.1 A. point P.B. point Q.C. point R.D. point S. E. not enough information in the graph to decide This is the x-t graph of the motion of a particle. Of the four points P, Q, R, and S, the velocity v x is greatest (most positive) at

7. A. point P.B. point Q.C. point R.D. point S. E. not enough information in the graph to decide A2.1

8. Q2.3 This is the x-t graph of the motion of a particle. Of the four points P, Q, R, and S, the acceleration a x is greatest (most positive) at A. point P.B. point Q.C. point R.D. point S. E. not enough information in the graph to decide

9. This is the x-t graph of the motion of a particle. Of the four points P, Q, R, and S, the acceleration a x is greatest (most positive) at A2.3 A. point P.B. point Q.C. point R.D. point S. E. not enough information in the graph to decide

10. Relationship of x(t), v(t) for constant acceleration

11. 1-D constant acceleration formulas

12. Total distance travelled is area under curve

13. Total change in velocity is area under curve