A shopper pushes a cart 50 m south down one aisle and then turns 90.0° west and moves 12 m. He then makes another 90.0° turn and moves 20 m. What is the largest possible displacement of the shopper?

Answer 1

if his last turn is to the south
he will be 70 m S and 12 m W of his starting position

use Pythagoras to find the displacement