Question

please tell me formula which we have to apply​

Answer 1

Answer:Formula need to apply: v²=u²+2as(symbols have their usual meaning)

Explanation:here v=0 (as train finally stop)

Now put value and find answer

Good luck

Answer 2

Answer:

v^2-u^2=2as,

v=0,u=60kmph=60*5/18=16.7,a=-0.5m/s^2

-(16.7)^2=-2*0.5*s

-278.9=-1*s

s=278.9meters.

the train travels 278.9meters before stopping