A bullet train in Japan starting from rest accelerates uniformly at 0.5 m/s^2 for 2 minutes. It then maintains uniform speed for 20 minutes and then retards uniformly at the rate of 0.25 m /s^2 and comes to rest . calculate the average speed of the train
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Explanation:they gave acceleration and they gave time 20 minutes u should change into seconds ?which chapter
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53 ms·²
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