Question 1
A person walks 18 m South, then 16 m East, then 11 m West. Find his displacement from the starting point.
Step-by-step:
1. Track net displacement:
- North-South: -18 m South
- East-West: 5 m East
2. Displacement = √(5² + -18²) = √349 = 19 m
3. Total distance walked = 45 m
1. Track net displacement:
- North-South: -18 m South
- East-West: 5 m East
2. Displacement = √(5² + -18²) = √349 = 19 m
3. Total distance walked = 45 m