Question

An object travels a distance of 40km with avg speed of 80km/h and then next 40km with avg speed of 40km/h. Find the avg speed with the total distance.

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Answer 1

total distance travelled= 40km+40km=80km.

Total time taken to travel total distance =

t=(S1/distance1 +S2/ distance2)hour = 1/2+1=3/2 hour

average speed= total distance travelled/ total time taken=80/3/2km/h

=80×2/3km/h

=160/3km/h

53.33km/h

Answer 2

Step-by-step explanation:

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The average speed of the object is 53.33 km/h