A train accelerates uniformly from rest at the rate of Sms for 45s. It then...

A train accelerates uniformly from rest at the rate of Sms for 45s. It then changes its acceleration to half its original value, and this lasted for another 25s. This velocity was maintained for 30s before it was brought to rest with a uniform deceleration by means of application of the brakes. A. Sketch the velocity-time graph for the motion. B. From your graph and information provided, calculate the: i. maximum speed attained; uniform retardation of the train; total distance travelled by the train; and average speed of the?

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Asked by Kosi.A on 9th January, 2022