Two trains each of length parallel tracks One overtakes the

Last updated: 6/24/2023

Two trains each of length parallel tracks One overtakes the other in 20 s when they are moving in the same direction and crosses the other in 10s when they move in the opposite directions The velocities of the two trains are 1 15 m s 5 m s 3 10 m s 10 m s 2 25 m s 15 m s 4 30 m s 10 m s