P3a-speed Flashcards
1
Q
what is the equation to find distance?
A
speed x time
2
Q
why does one speed camera take 2 pictures?
A
one a certain time apart -so the distance travelled in that time can be worked out
one a certain distance apart- so that the time taken to travel from one road marking to the next can be worked out
3
Q
what is speed?
A
the distance travelled in a certain time
4
Q
what are the units for distance?
A
m
5
Q
what are the units for time?
A
s
6
Q
what are the units for speed?
A
m/s
7
Q
the greater the speed, the…?
A
further distance travelled in a certain time
less time needed to cover the same distance
8
Q
what is gradient?
A
speed
