Question

a train of length 200 metre is running with a speed of 90km/hr. in how much time will it crosses a person sitting in another train which is moving ahead with a Speed big 70km/hr​

Answer 1

Answer:

I think 0.2÷9sjshshshshhshshshs

Answer 2

Original Speed of train = 90km/h

Speed of train with respect to other train =

= 90-70

= 20km/h

So, time =

= distance/speed

= 0.2 / 20 [200m = 0.2km]

= 0.01 hour

= 36 seconds