Question

a train be increased its speed from 80km/h to 100km/h in 4s find its acceleration​

Answer 1

answer:

5 m/s

explanation:

u=80 km/hr

v=100 km/hr

t=4s

a=?

v=u+at

100=80+a*4

100-80=a*4

20/4=a

5=a