Question

there are two trains which are moving in opposite direction length of one train is 70m and other is 130m and their velocity are 30 m/s and 20m/s respectively find the time taken by trains to cross each other

plz give answer with solution

Answer 1

Hope the answer is helpful .

Answer 2

Answer:

The answer is 4 sec

Explanation:

As they are moving in opposite directions we have to add the distance and speed

Total distance is 70+130

Total speed is 30+20

we know time is distance/speed

so,200/50

4 secs