Question

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???????

​

Answer 1

Explanation:

plz follow the above sum there is the ans is given !!