8. A person going for a walk follows the path shown in the figure. The total trip consists of four straight-line paths. At the end of the walk. what is the person's resultant displacement measured from the starting puint'.' 3' Start 100 m V: End R Ix \\ 2001*. ___ _4 303lt\" _ 99Kv/150 m 9. Consider the two vectors A: 3i 2j and B = i 4j. Calculate: (a) A+ B, (b) A B. (C) lA + B l (d) l A' B l (e) the directions of A + B and A B