Question

A train is accelerating at the rate of 10 m/s^2 .if its initial velocity 100m/s. how long does it take for the train to come to rest​

Answer 1

U= 100m/s a=-10m/s^2 V=0 m/s S=? Now V^2=u^2+2 as 0=10000-20×s Or 20×s=10000 S= 10000/20 S=500 So s= 500m