Pathfinder NLM MCQ 24

Near a station, a train is retarding at 2.0 m/s2 to stop. When its speed is 36 km/h a passenger standing in the corridor of a bogie, puts his suitcase on the floor. The floor was a little bit slippery so the suitcase began to slide and finally stopped in the train after sliding 12 m on the floor relative to the train. According to this situation, which of the following statements are correct ?

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