What is the hiker's total displacement?

Question

part a of the hike: distance:4km east
start time: 9:00 am end time: 9:45 am
part b: distance:6 km south
start time: 9:45 am end time: 10:45 am part c: distance:4 km west
start time:10:45 am end time: 11:15
part d: distance 6 km north
start time:11:15 am end time: 12:00 pm

Answer 1

start at (0,0)
after (a): (4,0)
after (b): (4,-6)
after (c): (0,-6)
after (d): (0,0)

final position is back at the starting point.