P2.1 Flashcards
1
Q
Speed equation
A
Speed= (distance/time) m/s
2
Q
Metres in a mile
A
1609m
3
Q
Seconds in an hour
A
3600
4
Q
Distance equation
A
Distance= (speed x time)m
5
Q
Time equation
A
Time= (distance/speed)s
6
Q
Scalar vs Vector
A
Scalars only have magnitude, Vectors have magnitude and direction
7
Q
Scalars
A
Distance, speed, temperature
8
Q
Vectors
A
Displacement, velocity, acceleration
9
Q
How to add vectors
A
In the same direction you add, if in a different direction you subtract
10
Q
Relative velocity
A
To find the relative velocity of A to B you must imagine B as stationary. In the same direction subtract in opposite subtract.
11
Q
Acceleration equation
A
Acceleration= [(final velocity-original velocity)/time] (m/s)^(2)
12
Q
Displacement
A
Shortest distance between two points
