A person walks 3 km east, then 4 km north, and finally 3 km west. What is the shortest distance to return to the starting point?
Q1. A person walks 3 km east, then 4 km north, and finally 3 km west. What is the shortest distance to return to the starting point?
Answer: 4 km
Explanation: The east and west movements cancel out, leaving a net displacement of 4 km north, which is the shortest distance to return.