1. The problem statement, all variables and given/known data Which of the following vectors are collinear with S30W? a N60W b S30E c W30N d E30S e N30E Which of these vectors are perpendicular to E20S? aN20E W20S W70S N20W E70N How do you know if they're collinear and how do you know if their perpendicular? also, What are the answers to the above questions so that I can verify that I chose the right answer.