A man travels a certain distance with a uniform speed of 5 km/h and returns the same distance with a uniform speed of 4 km/h. What is the average speed of the man? [ Answer : 40/9 km/h ] NO LINKS PLEASE Share with your friends Share 2 Manbar Singh answered this We have,v1 = 5 km/hv2 = 4 km/hWe know that when distance is divided into 2 equal halves, then average speed is given byaverage speed, v = 2v1v2v1 + v2 =2 × 5 × 45 + 4=409 km/h -1 View Full Answer
