Question 1
A person travels from A to B at 50 km/h and returns at 77 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 × 50 × 77) / (50 + 77)
3. = 7700 / 127 = 60.6 km/h
1. For equal distances, Average Speed = (2 × v1 × v2) / (v1 + v2)
2. = (2 × 50 × 77) / (50 + 77)
3. = 7700 / 127 = 60.6 km/h