Question

2. A train moves with a constant speed of 36
km h-1 in the first 10 minutes, with another cons-
tant speed of 45 km h-1 in the next 10 minutes
and then with an acceleration of 5 ms-2 in the
last 10 minutes. Calculate the average speed of
the train for this journey and the total distance
travelled
[Ans. 1842 km/h ; 921 km]​

Answer 1

Answer:

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