1. The Language of Motion
8.1

4. - - - - - + - + + + +

5. 2 m
, 101 lbs
, 50 kg
magnitude NO
positive
sign
5 m
, 25 seconds
5 m [N]
, - 65 km

6. scalar
vector
scalar
vector
scalar

7. scalar
length

8. location
compare
front
of the class

9. vector
reference point
10 km [E]of my house
10 km [W]of the store

10. 20 km
10 km [W] or -10 km
0 km [E]

11. initial ti tf
final

12. t = tf
- ti = 5s
- 2s = 3s

13. position
straight line distance

14. d = df
- di =
7 m [E]
- 2 m [E] =
5 m [E]

15. + 5m or 5m [E]
+ 10m or 10m [E] 0m
15m + 10m = 25 m
10-(+5m)= +5m or 5m [E]
15m+30m+10m=55m
0–(+5m)= -5m or 5m [W]