Question 1
A person walks 15 m South, then 13 m West, then 12 m North. Find his displacement from the starting point.
Step-by-step:
1. Track net displacement:
- North-South: -3 m South
- East-West: -13 m West
2. Displacement = √(-13² + -3²) = √178 = 13 m
3. Total distance walked = 40 m
1. Track net displacement:
- North-South: -3 m South
- East-West: -13 m West
2. Displacement = √(-13² + -3²) = √178 = 13 m
3. Total distance walked = 40 m