Vectors

Question 1

Projection of a onto b

Answer 1

check sticky note

Question 2

Projection of b onto a

Answer 2

check sticky note

Question 3

Perpendicular vectors

Answer 3

u⋅v = 0

Question 4

Parallel vectors

Answer 4

u⋅v = IuI⋅IvI

Question 5

Vector

Answer 5

Magnitude and direction

Question 6

Scalar

Answer 6

Scalar quantities have only a magnitude