2023HSCMultiple choice

Q6

1 mark

Question

Given the two non-zero vectors $\vec a$ and $\vec b$ , let $\vec c$ be the projection of $\vec a$ onto $\vec b$ .

What is the projection of $10\vec a$ onto $2\vec b$ ?
A. $2\vec c$
B. $5\vec c$
C. $10\vec c$
D. $20\vec c$

Try the question before revealing the answer.

Syllabus alignment

Vectors

Introduction to VectorsRepresent and operate with two-dimensional vectors; use magnitude, direction, scalar products and vectors in geometric proofs and projectile motion.

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