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Scalers vs. Vectors
scalars are quantities that only have magnitude, no direction
Vectors have magnitude and direction
Examples of scalars
speed
Temperature
Distance
5 km/h
2.2 days
220 km
3 hours
Instantaneous speed
5.6 litres
examples of vectors
velocity
Displacement
6m [North]
1.2 m/s [down]
Average velocity
Instantaneous speed vs. average speed
instantaneous speed is the speed of an object at a particular moment
Average speed is the total distance traveled divided by total time
The slope of velocity
acceleration
Convert 42 km/h (westward) to proper vector notation
V = 42km/h [W]