Question 1
A person travels from A to B at 49 km/h and returns at 50 km/h. What is the average speed for the entire journey?
Step-by-step:
1. For equal distances, Average Speed = (2 × v1 × v2) / (v1 + v2)
2. = (2 × 49 × 50) / (49 + 50)
3. = 4900 / 99 = 49.5 km/h
1. For equal distances, Average Speed = (2 × v1 × v2) / (v1 + v2)
2. = (2 × 49 × 50) / (49 + 50)
3. = 4900 / 99 = 49.5 km/h