P3a-speed

Question 1

what is the equation to find distance?

Answer 1

speed x time

Question 2

why does one speed camera take 2 pictures?

Answer 2

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

Question 3

what is speed?

Answer 3

the distance travelled in a certain time

Question 4

what are the units for distance?

Answer 4

m

Question 5

what are the units for time?

Answer 5

s

Question 6

what are the units for speed?

Answer 6

m/s

Question 7

the greater the speed, the…?

Answer 7

further distance travelled in a certain time

less time needed to cover the same distance

Question 8

what is gradient?

Answer 8

speed