1. Starter Convert the following into scientific notation: 1. 0.00569 2. 38965 3. 489654 4. 0.0000684 You need 3 pieces of graph paper!! Answers 1.5.69 x 10 -3 2. 3.8965 x 10 4 3. 4.89654 x 10 5 4. 6.84 x 10 -5

2. Table of Contents 9/9/15 Speed, Velocity, and Graphing

3. Speed

4. Practice Bob walked 25m in 15s, what was Bob’s speed?

5. Velocity

6. Practice 1 Penny walked 15 m to the east and then realized she passed her destination and went west 3 m. It too her 20 s to reach her location. What was her velocity?

7. Practice 2 Jim walked 20 m east and then 15 m south in 30 s. What was his velocity?

8. Linear Equation

9. Graphing Independent variable is on the x axis Dependent variable is on the y axis

10. Describe what the object is doing at 1 second, 2 seconds, 3 seconds, etc.? position time 1 m 2 m 1 s 3 s2 s 4 s 5 s 3 m 4 m 5 m At 1 seconds the object is located 4 meters from the origin 0 s 0 m

11. Describe what the object is doing at 1 second, 2 seconds, 3 seconds etc.? position time 1 m 2 m 1 s 3 s2 s 4 s 5 s 3 m 4 m 5 m At 2 seconds the object is located 4 meters from the origin 0 s 0 m

12. Describe what the object is doing at 1 second, 2 seconds, 3 seconds etc.? position time 1 m 2 m 1 s 3 s2 s 4 s 5 s 3 m 4 m 5 m From 0 to 5 seconds the object is located 4 meters from the origin 0 s 0 m

13. If an object is staying in the same position for a time interval than its… at rest. stopped. not moving. still. Represented by a horizontal line on a position vs time graph

14. Where was the object located at 2 seconds? position time 1 m 2 m 1 s 3 s2 s 4 s 5 s 3 m 4 m 5 m At 2 seconds the object is located 2 meters from the reference point 0 s 0 m

15. Where is the object located at 15 seconds? position time 1 m 2 m 5 s15 s10 s20 s25 s 3 m 4 m 5 m At 15 seconds the object is located 3 meters from the reference point 0 s 0 m

16. What would of a stopwatch read when the object is located 5 meters from the reference point? position time 1 m 2 m 1 s3 s2 s 4 s5 s 3 m 4 m 5 m It would read 3 seconds when the object was 5 meters from the reference point 0 s 0 m

17. Exit How would you know if an object is moving or not just by looking at a graph?