The distance between Delhi and Agra is 200 km.A train travels the first 100 km at a speed of 50km/h.How fast must train travel the next 100 km,so as to average 70 km/h for the whole journey?
KingNipunDK:
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Firstly find Time needed to reach 1st 100 km at 50 km/h.
Then take time of next 100 km be=x
Use AVERAGe speed formula
U will get value of x=0.85 hours=51 minutes
Now get Te and Distance 100 km
Find speed.
Then take time of next 100 km be=x
Use AVERAGe speed formula
U will get value of x=0.85 hours=51 minutes
Now get Te and Distance 100 km
Find speed.
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Yes you are correct
answer is 116.6 Km/h
good
Ty
Will be some calculation problem but approx
Yes.
But you are mostly correct.Ty
I am following you
Thanks
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