Question

a train travelling at 20 m per second acceleration at 0.5 m per second square for 30 second how far will it travel in this time

Answer 1

Distance = ut + 1/2 at^2
= 20*30 + 1/2*0.5*30*30
= 600 + 15*30*0.5
= 600 + 225
= 825 m ans.