Question

12. A train starting from rest, picks up a speed of 20 m/s in 200 s. It moves at the
same speed for the next 500 s. It is then brought to rest in the next 100 s. (i) Plot a
speed time graph. (ii) Calculate the rate of uniform acceleration. (iii) Calculate the
rate of uniform retardation. (iv) Calculate the distance covered by the train during
retardation. (v) Calculate the average speed during retardation.​

Answer 1

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