Question

A Train slows down from 40m s-¹ to 10m s-¹ in 60 seconds ,how far does it travel in that time

Answer 1

Answer:

Distance travelled = 1500m

Explanation:

u = 40 m/s        v = 10 m/s       t = 60 sec

     v = u + at

   10 = 40 + 60a

 -30 = 60a

     a = -0.5

     s = ut + 1/2 at²

     s = 40(60) + 1/2(-1/2)(60)²

     s = 2400 - 1/4 (3600)

     s = 2400 - 900

     s = 1500m