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A train starts from rest and accelerate uniformly at the rate of 2 m/s2 for 10 s. It then maintains a constant speed for 200 seconds. The brakes are then applied on the train is uniformly retarded and comes to rest in 50 seconds. Find: 1) The maximum velocity reached 2) The retardation in the last 50 seconds. 3) The total distance travelled. 4)The average velocity of the train |
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Answer» A train starts from rest and accelerate uniformly at the rate of 2 m/s2 for 10 s. It then maintains a constant speed for 200 seconds. The brakes are then applied on the train is uniformly retarded and comes to rest in 50 seconds. Find: 1) The maximum velocity reached 2) The retardation in the last 50 seconds. 3) The total distance travelled. 4)The average velocity of the train |
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