Two trains,each having a speed of 30km/h, are headed at each other on the same straight track.A bird that can fly at 60km/h flies off the front of one of the train when they are 60 Km apart and heads directly back to the first train,the bird flies directly back to the first train, and so on.What is the total distance the bird travels before the trains collide? one year agoEdited one year agoEdit Question

Question

Two trains,each having a speed of 30km/h, are headed at each other on the same straight track.A bird that can fly at 60km/h flies off the front of one of the train when they are 60 Km apart and heads directly  back to the first train,the bird flies directly back to the first train, and so on.What is the total distance the bird travels before the trains collide? one year agoEdited one year agoEdit Question

mos1635 · Answer

initialy ignore bird
find time to trains to meet
for that time the bird was flying so.....

anonymous · Answer

Thank uu...