Two trains `A` and `B` `, 100km` apart are travelling towards each other on different tracks with same starting speed of `50km//h`. The train `A` accelerates at `20km//h^(2)` and the train `B` retards at the rate `20km//h^(2)`. The distance covered by the train `A` when they cross each other is

Two trains, each having a speed of 30 km//h , are headed towards each other

A train is moving at a speed of 55 (1)/(5) km/h. The train travels at the same speed for 6 hours 40 minutes. What is the distance covered by the train?

A train accelerates from 20 km/h to 80km/h in 4 minutes.The distance covered by train during this period is

A and B are two stations 90km apart.A train starts from A and move towards B at 20km/h . Another train starts from B at the same time and move towards A at 10km/h, How far from A will they cross each other?

Train A and B are moving towards each other on the same track with velocities 40 km/hr and 20 km/hr respectivley. A sparrow which can fly at 30 km/hr flies off from train A when the train are 30 km apart. The sparrow directly moves towards the train 'B' and on reaching there flies back to 'A' and so on. Distance travelled by the sparrow till the two trains will hit is: