Question

What is the magnitude, ||v|| of vector v = (4, 3)?

F, √2
G, √6
H. 2√5
J. 5
K. 7

Answer 1

J

Explanation:

the magnitude of a vector (a, b ) is

`√(a^2+b^2)`

then magnitude of vector v = (4, 3 ) is

| v | =
`√(4^2+3^2)` =
`√(16+9)` =
`√(25)` = 5