Distance

1
Distance Position
A
B
Can you state the distance between the two
cars?
2
Distance Position
A
B
25
0
5
-5
10
-10
15
20
Can you state the distance between the two
cars?
3
Distance Position
A
B
25
0
5
-5
10
-10
15
20
What is the position of car A?
4
Distance Position
A
B
25
0
5
-5
10
-10
15
20
What is the position of car A? car B?
5
Distance Position
A
B
25
0
5
-5
10
-10
15
20
Imagine the numbers shifted left by 10, is
distance changed?
6
Distance Position
A
B
25
0
5
-5
10
-10
15
20
Imagine the numbers shifted left by 10, is
position changed?
7
Distance Position

• Define distance.
• Define position.
• What is needed to define position that is not
  needed to define distance?
• Which of these two is a vector quantity?

8
Speed
25
0
5
-5
10
-10
15
20
meters
Time 0 seconds
9
Speed
25
0
5
-5
10
-10
15
20
meters
Time 5 seconds
10
Speed
25
0
5
-5
10
-10
15
20
meters
Time 10 seconds
11
Speed
25
0
5
-5
10
-10
15
20
meters
Time 15 seconds
12
Speed

• time pi pf ?d avg speed
• 0-5 25 15 10 ?
• 2 m/s
• 5-10 15 5 10 ?
• 2 m/s
• 10-15 5 -5 10 ?
• 2 m/s

13
Speed
What equation was used to determine the speed
of the car?
14
Speed
What equation was used to determine the speed
of the car?
v d / t
15
Distance Displacement
Define Displacement.
16
Distance Displacement
Define Displacement.
Give the equation for displacement.
17
Distance Displacement
Define Displacement.
Give the equation for displacement.
?d df - di
18
Velocity
What equation was used to determine the velocity
of the car?
19
Velocity
What equation was used to determine the velocity
of the car?
v ?d / ?t
20
Velocity Speed
How is speed different from velocity?
21
Velocity Speed
How is speed different from velocity?