contestada

A car travels 30.0 km to the south and then turns around and travels 20.0 km to the north in 1.5 hours time. What is the car's total displacement? What is the car's average velocity?

Respuesta :

the displacement is ten 

I got:
Displacement is 10 km S and I got the average velocity to be 10/1.5 = 6.7