Question

a car starts at a position of 2 km and moves to a final position of 4 km. what is the displacement of the car
a) 0 km
b) 4 km
c) -2 km
D) -6 km
e) 2 km

Answer 1

Should be just 2 km. - 2 km would mean it is moving in the opposite direction which come to think of it may be fine. You really can't tell.