Q2 · 2020 · Paper 1Simple familiar1 mark
QUESTION 2
The definition of average speed is the rate of change of
(A)
velocity.
(B)
distance.
(C)
acceleration.
(D)
displacement.
WORKED SOLUTION
1 markAnswer B
ANSWER
B
Worked solution
Average speed is total distance travelled divided by elapsed time, so it is the rate of change of distance. Option B.
Selects option B.
Worked explanation by QCE Vault; correct option verified against the QCAA answer key.