A man walks 5 km north, then 4 km south. What is his final position relative to the starting point?
Q1. A man walks 5 km north, then 4 km south. What is his final position relative to the starting point?
Answer: 1 km North
Explanation: The man's net northward movement = 5 - 4 = 1 km. So, he is 1 km north, using simple subtraction.