A bird watcher meanders through the woods, walking 0.50 km due east, 0.75 km due south, and

Question:

A bird watcher meanders through the woods, walking 0.50 km due east, 0.75 km due south, and 2.15 km in a direction 35.08 north of west. The time required for this trip is 2.50 h. Determine the magnitude and direction (relative to due west) of the bird watcher's
(a) Displacement and
(b) Average velocity. Use kilometers and hours for distance and time, respectively?