1. Chapter 5.2 – Distance, Time and Speed
Week 4 – September 22 – September 26

2. Lab #2 - Problems
Difference between displacement, distance and position
Time, starts at 0.0s
Slope (negative and positive)
Best-fit line
Labeling x and y axes
Title
Pencil! (not pen)

3. Review What is… Motion? The difference between vector and scalar?
The difference between position and displacement?
Distance?
A reference point? Example?

4. Review
Describe the following graphs 1. 2. 3.

5. 5.2 Vocabulary Speed Constant Speed Changing Speed Average Speed
Instantaneous Speed

6. 5.2
What is speed?
Speed – v
The distance an object moves in a certain length of time Can you think of examples?
What is the difference between constant speed and changing speed?
Can you think of examples?

7. 5.2 Do you remember the position-time graphs?
Now, we look at “distance-time” graphs
What is the difference between them?
What can you see in a distance-time graph?