Vectors and Scalers Flashcards
1
Q
Difference between scaler and vector
A
Scaler : only one measurement is required
Vector: 2 measurements is required e.g. Velocity and direction acceleration and direction or velocity and direction
2
Q
Displacement
A
The shortest distance between two points
3
Q
Distance
A
The actual distance travelled by the object
4
Q
Speed/ velocity formula
A
Distance / time
Displacement/time
5
Q
Speed
A
Is the rate of change of distance
6
Q
Velocity
A
The rate of change of position
7
Q
Si unit for distance
A
m
8
Q
Si unit of speed
A
m.s-1
9
Q
Km to m conversion
A
210 km = 210 000m
X 1000
10
Q
Conversion km.h-1 to m.s-1
A
90 x 1 000=9 000
1x60x60 = 3 600
9000/3600
25m.s-1
11
Q
Conversion m.min-1
A
16m.min-1
1x60
16/60
0.27m.s-1
