A man walks 12km towards the East, then 8km towards the North. What is his net displacement?
Q1. A man walks 12km towards the East, then 8km towards the North. What is his net displacement?
Answer: √(12² + 8²) km
Explanation: Use Pythagoras' theorem: √(12² + 8²) = √(144 + 64) = √208 km.