A man walks 3 km north, then 2 km south, then 1 km north. What is his final position relative to the starting point?
Q1. A man walks 3 km north, then 2 km south, then 1 km north. What is his final position relative to the starting point?
Answer: 2 km north
Explanation: Net displacement is 3 - 2 + 1 = 2 km north.