A man walks 2 km north, then 3 km south, then 1 km north. What is the distance from the starting point?
Q1. A man walks 2 km north, then 3 km south, then 1 km north. What is the distance from the starting point?
Answer: 2 km
Explanation: Net displacement is 2 - 3 + 1 = 0 km, so the distance is the absolute value of the displacement, which is 0 km.