Two trains start from chennai and villupuram spaced 150 k m apart at the same time and speed as the tr ains start, a bird flies fro m one train towards the other and on reac hing the s econd t rain; it flies back to the first tr ain. T his is repeated till the trains collide. If the speed of the trains is 75 kmph and that of the bird is 100 k mph. How much did the bird travel till collision?
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Answer:
Distance covered by the bird= 100 KM
Step-by-step explanation:
Given,
Distance between trains =150 KM
Both trans travel at same speed ,
Speed of trans= 75 KM/hr
Speed of bird= 100 KM/hr
From the question we can conclude that time taken by the trains to collide each other shall be the time covered by the bird.
As both trains travels at 75 Km/hr
that means when trains starts travelling toward each other at a speed of 75 KM/hr then, they will take 1 hr to cover 75 KM each
i.e. 75+ 75 = 150 KM
Time taken by trains to travel= 1 hr
Therefore time taken by the bird to travel= 1 hr,
Speed of bird= 100 KM/hr
Distance covered by the bird= 1 hr x 100 KM/hr= 100 KM
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