PART 1

Question 1

Speed = distance/time. Rearrange this equation to make distance the subject, and to make time the subject.

Answer 1

Distance = speed x time time = distance/speed

Question 2

What are the units of speed, distance and time?

Answer 2

Speed: m/s Distance: m Time: s

Question 3

If you run two full laps of a 500m athletics track, what is a) the distance you ran and b) your displacement? Show working and explain your answers

Answer 3

a) distance = 500 x 2 = 1000m

b) Displacement = 0m as you are back at your starting point.

Question 4

What is a scalar quantity?

Answer 4

A scalar quantity has only magnitude (size). It does not have direction.

Question 5

What is a vector quantity?

Answer 5

A vector quantity has both magnitude (size) and direction.