Question

a man walk at a speed of 60 km per hour for 1 kilometre and 18 for next 1 kilometre along a straight line what is the average speed for the walk of two kilometre​

Answer 1

average speed=total distance/total time

t1=d/v1=1/60

t2=d/v2=1/18

avg speed =2/1/60+1/18

=2*180/13

30km/h

hope this helps u

Answer 2

Answer: Average Speed = Total speed/Total Distance

Explanation:

Average speed = (60+18)/1+1

=78/2

=39

Hence Average speed for the walk of two kilometres is 39 km per hour.