Question

7. A boy goes to market at an average speed of
29 kmh-1 Finding the market closed, he immediately
returns back by the same path with an average speed
of 40 km h-?. Find the (a) average speed (b) average
velocity for the complete journey.
​

Answer 1

Answer:

average speed = 34.5 km/hr

average velocity = 5.5 km/hr