At a distance L=400m from the traffic lights the brakes are applied to a locomotive moving at a velocity v=54km/hr.determine the position of a locomotive relative to the traffic lights 1 minute after the application of the brakes if its acceleration is -0.3m/s/s

Asked by  | 4th Mar, 2013, 05:08: PM

Expert Answer:

t=60 sec
s=15x60-1/2  x60x60x 0.3
so the locomotive will be 40 m away from the traffic signal.

Answered by  | 4th Mar, 2013, 05:18: PM

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