Question

Dynamics 4.11 ample 4.9: The distance between two stations is 2.5 km. A locomotive starting from one station, gives the train acceleration of 40 kmph in 0.5 min. until the speed reaches 48 kmph. This speed is maintained until brakes are applied and the train is brought to rest at the second station under a retardation of 0.9 m/s?. Find the ime taken to perform the journey.
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Answer 1

A locomotive starting from onestation, gives the train an acceleration (reaching a speed of 40 km/h in 0.5 minutes) until the speedreaches.

Answer 2

Explanation:

Distance =240km

Time taken =4 hours

Speed= Distance covered /time taken =240km/4 hr

=60km/h

Speed of train =60km/h.