Question

Sumit was standing at the railway crossing when a train cross him at a speed of 40 kilometre per hour in 15 seconds find the length of the train​

Answer 1

Answer:

4 km will be the length of train

Answer 2

Step-by-step explanation:

FIRST CONVERT IT INTO m/s

40 x 5/18 = 100/9 m/s

NOW, SPEED = DISTANCE/TIME

AND DISTANCE = SPEED * TIME

= 100/9 X 15

= 500/3. metre

HENCE , THE LENGTH OF THE TRAIN IN 500/3 METRE ( 166.6 m )