Question

You drive your car 2 km to the gas station, 4 km to the shopping mall to let your mother off, and 4.5 km back home. The trip takes 20 min. What is your velocity in m/s?

A. 0 m/s

B. -3 m/s

C. +4 m/s

D. -9 m/s

**How do you do this? :/

Answer 1

velocity= displacement/time

Answer 2

displacement=net distance between initial and final position