# Simple problem to become familiar with vectors.

Two vectors A and B have the same length A and are at right angles. What is the length of the vector A + 2B?

Questions are taken from the course book 'Physics with modern physics', Richard Wolfson & J.

M. Pasachoff,

Questions taken from course book pp 60 - 63

Two vectors have the same length A and are at right angles. What is the length of the

vector

å

A and å

B å

A + 2å

B?