Question

a train increases its speed from 80 kilometre per hour to hundred kilometre per hour in 4 seconds find acceleration of the train​

Answer 1

a = u - v /t

u= 80km/hr = 22.22m/s

v= 100km/hr = 27.78m/s

t= 4s

a= (27.78-22.22)m per second /4second

= 1.39m/s*s