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A train travels from Station A to Station B which is 4 km away. Departing Station...

A train travels from Station A to Station B which is 4 km away. Departing Station A, it moves at a constant acceleration reaching its cruising speed in 40s which it maintains for 3 minutes. It then decelerates constantly for 80s, coming to a complete stop at Station B. Determine:

[a] The cruising speed of the train, in km/hr.

[b] The acceleration and deceleration of the train.

[c] The distance traveled before the train reaches its cruising speed.

\Subject: Dynamics, MECH\

Please show brick-by-brick working thoroughly without taking the beeline so that I can understand clearly. If necessary, draw any relevant diagram(s) to aid it.

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