Acar travels along city streets at constant speed. first, it travels 200 m north. second, it travels 200 m east. third, it travels 200 m south. it took the car 40 seconds to travel from its initial position to its final position. what was the average velocity of the car?
a. (5.00 m/s, east)
b. 5.00 m/s
c. 15.0 m/s
d. (15.0 m/s, east)