a car mover for half of its time at 8 km/h and for rest half of time at 40 km/h . total distance covered is 60 km. what is the average speed of the car a. 60 km/h b. 80km/h c. 120km/h d. 180 km/h
RJRishabh:
my answer is coming 150 km /hr
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Answered by
1
60 km i think it is right
Answered by
1
can you please check whether it is 8 or 80. If it is 80, then answer is,
In both the case time taken is equal so the equation,
V avg=(V1+V2 )÷ 2
= (80+40) ÷2
V avg =60 Km/ h
Pls brain list..
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