Question

displacement verctors of 1km south, 3km north, 6 km south, and 2 km north combine to a total displacement of

Answer 1

(1km south) + (3km north) + (6 km south) + (2 km north)

= (1km south + 6km south) + (3km north) + (2km north)

= (1km + 6km) south + (3km + 2km) north

= 7km south + 5km north

= 2 km south .