Question

pls give answer pls pls​

Answer 1

Answer:

200

Explanation:

a=v/t

a is acceleration, v is velocity, t is time

Both trains are in same direction

Therefore

Resultant velocity = 30-10=20m/s

a=v/t [t=d/v].. d is distance

a=v×v/d

d=v×v/a

d=20×20/2

d=200m...