Question

after applying brakes, a traain stopped after 50 seconds. the retardation due to brakes is 0.5m/s². what is the initial velocity of the train​

Answer 1

Explanation:

Initial velocity = u

final velocity = 0

Time = 50 s

Retardation = 0.5 m/s^2

Applying v = u + at

0 = u + (0.5 × 50)

= u + 25

u = -25