P9 - Motion Flashcards
1
Q
Acceleration of an object is
A
Its changes of bpvelocity per second
2
Q
Equation for acceleration
A
Metres per second per second
3
Q
Speed really means
A
The average speed of the selected part of the journey
4
Q
Equation for deceleration
A
Change in velocity / time
5
Q
Velocity is measured in …
A
m/s
6
Q
Stopping distance
A
The time between detecting the stimulus and coming to a full stop
7
Q
Braking distance
A
The time between starting to brake and coming to a full stop