Answer:
Her final displacement is 0.4 km North
Her total distance is 8.2 km
Explanation:
Given;
initial position, = 2.5 km north
then 4.3 km south
final position = 1.4 km north
let northward direction = positive direction
let southward direction = negative direction
The final displacement = 2.5 km North - 4.3 km South + 1.4 km North
The final displacement = -0.4 km North
Thus, the magnitude of the final displacement = 0.4 km North
In distance, the direction of the motion is not considered
The total distance = 2.5 km + 4.3 km + 1.4 km
The total distance = 8.2 km
