Question

A car drives 20 miles north, then 3 miles south. What is the displacement of the car?

A. 17 miles
B. 17 miles north
C. 23 miles north
D. 23 miles

Answer 1

so at first car moved 20 miles in the North direction then it moved 3 miles in the opposite direction i.e. South so that clearly makes the displacement = 20 -3 = 17 Miles North,
Option B

Answer 2

Displacement is the net difference between where you started and where you ended, regardless of how you got there.