1.

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»

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



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