A train travels a distance of 10 km with a uniform speed of 30 km/h it travels another distance of 20/km with a uniform speed of 40 km/h calculate the average speed of the train.
Answers
Answered by
1
Answer:
Average speed is equal to 40kmph
Explanation:
Given,
d
1
=15km,v
1
=30km/h
d
2
=75km,v
2
=50km/h
d
3
=10km,v
3
=20km/h
we know that,
average speed =total distance covered/total time taken
total distance covered =D=15+75+10=100km
total time taken =T=(15/30)+(75/50)+(10/20)=2.5hours
so, average speed =100/2.5=40km/h
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0
Explanation:
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