Question

velocity of train changes from 20 metre per second to 25 metre per second when its it accelerates at a rate of 20 metre per second square find the distance covered by the train​

Answer 1

u=20 m/s

v= 25 m/s

a= 20m/sec sq

v =u+at

25=20+20t

5=20t

t=1/4=0.25 sec✌

Answer 2

we will apply third equation of motion

v^2=u^2-2as

25*25=20*20-2*20*s

625-400=40s

225/40=s

hence distance covered = 225/40