Question 1
A person travels from A to B at 37 km/h and returns at 52 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 × 37 × 52) / (37 + 52)
3. = 3848 / 89 = 43.2 km/h
1. For equal distances, Average Speed = (2 × v1 × v2) / (v1 + v2)
2. = (2 × 37 × 52) / (37 + 52)
3. = 3848 / 89 = 43.2 km/h