Question

A train of length 150m takes 40s to cross a tunnel of length 300m. The speed of the train is

Answer 1

Total distance for crossing the tunnel becomes = 300+150 = 450m

time taken = 40s

Speed = distance/time

speed = 450/40

= 45/4 =11.2 m/s

Answer 2

Explanation:

...11.2 m/s is answer....