Question

Juliana was observing an ant that crawled along a tabletop. With a piece of chalk she followed its path. She determined the ant’s displacement using a ruler. The displacements were as follows: 7 cm West, then 4 cm North, 7cm East, and finally 4 cm South. How far is the ant from its starting point? 

Answer 1

Answer

When she moves

7 cm West, then 4 cm North, 7cm East, and finally 4 cm South

Then displacement is zero and distance is 22cm