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Q3) A 100 tonne locomotive is coupled to a 200-tonne train by a drawbar. It pulls the train up a 1 in 200 (sine) incline at a constant velocity of 20 km/hr against a tractive resistance of 50 N/tonne. During the ascent the draw bar fails.

Calculate EACH of the following:

(a) Power developed by the locomotive prior to the drawbar failure; (8)

(b) Minimum gap between the train and locomotive 10 seconds after the drawbar failure if the power developed by the locomotive remains constant. (8)