A hiker's trip consists of three segments. Path A is 8.0 km long heading 60 degrees north of east. Path B is 7.0 km long in a direction due east. Path C is 4.0 km long heading 315 degrees counterclockwise from east.
a. graphically add the hiker's displacements in the order A,B,C
b. graphically add the hiker's displacements in the order C,B,A
c. What can you conclude about the resulting displacements?