Question

On a railway track a driver applies the brakes of the train at a yellow signal, a distance 1 km from red
signal, where it stops. The max deceleration of the train is 0.2 m/s2. Assuming uniform deceleration,
what is the maximum safe speed of the train at the yellow signal?
a) 20 m/s (b) 40 m/s (c) 200 m/s (d) 40m/s​

Answer 1

Answer:

on a railway track a driver applies the brakes of the train at a yellow signal, a distance 1 km from red , where it stops. The max deceleration of the train iş 0.2 m/s.