A GPS Tracking Device Is Placed in a Police Dog

Multiple Choice

A GPS tracking device is placed in a police dog to monitor its whereabouts relative to the police station. At time t₁ = 23 min, the dog's displacement from the station is 1.2 km, 33° north of east. At time t₂ = 57 min, the dog's displacement from the station is 2.0 km, 75° north of east. Find the magnitude and direction of the dog's average velocity between these two times.

A) 0.52 m/s, 88° north of east
B) 1.4 m/s, 31° west of north
C) 1.6 m/s, 42° north of east
D) 0.67 m/s, 21° west of north
E) 0.80 m/s, 42° west of north