A boy travels 5 km south, then 3 km north, then 2 km south. What is the distance from the starting point?
Q1. A boy travels 5 km south, then 3 km north, then 2 km south. What is the distance from the starting point?
Answer: 4 km
Explanation: Net displacement is -5 + 3 - 2 = -4 km, so 4 km south.