Question

two trains pass each other on parallel track. the first is 180m and travel at 60k/m. the second is 120m and travel at 46k/h. calculate the total time taken to pass each other.
(a) if travelling on the same direction
(b) if travelling on opposite direction.

thanks....... expecting the answer plz

Answer 1

For same direction subtract two velocities (total distance is 300m)
For opposite, add them.
And don't forget to convert kph to m/s