A whale swims due east for a distance of 4.2 km, turns around and goes due west for 3.0 km, and finally turns around again and heads 1.8 km due east.
What is the total distance traveled by the whale?
2 answers
d = 4.2 + 3 + 1.8 = 9km.
A body travels 20m due north 10m west and 30 m south west calculate displacement.solve by vector method