Question

A train accelerate uniformly from rest at station A to a muximum speed of 72km/h.The constant maximum speed is maintained for a period of time and train then decerelate uniformly until it becomes to stop at station B.The distance between two railway station is 22km and the journey takes 20min if the magnitude of acceleration is half of that of deceleration,by using graphical method determine (i)the acceleration in m/s
(ii)Time t, taken in seconds
(iii)Prove the solution by using Newton's equestion of motion.

Answer 1

Answer:

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