Q3 · 2020 · Paper 1Simple familiar1 mark
QUESTION 3
The diagram shows two vectors.
Calculate the magnitude of the resultant vector when Vector A is added to Vector B.
(A)
15 km
(B)
16.5 km
(C)
21 km
(D)
108 km
WORKED SOLUTION
1 markAnswer A
ANSWER
A
Worked solution
The vectors are perpendicular, so . Option A.
Selects option A.
Worked explanation by QCE Vault; correct option verified against the QCAA answer key.