Question

A train is travelling at a speed if 90kmperh brakes r applied to produce uniform acceleration of-.5mpers fiend the distance the train will go before brought to rest

Answer 1

V=0
U=25m
A=-5m
V=u+at
T=?
25=-5t
25/-5=t
T=5

S=ut+1/2at^2
=125+(-125)/2
=125-62.5
S=187.5m