Question

4. A train starts from rest and accelerates
uniformly at 100 m minute-2 for 10 minutes.
Find the velocity acquired by the train. It then
maintains a constant velocity for 20 minutes.
The brakes are then applied and the train is
uniformly retarded. It comes to rest in
5 minutes. Draw a velocity-time graph and use
it to find :
(i) the retardation in the last 5 minutes,
(ii) total distance travelled, and
(iii) the average velocity of the train.
5. A st
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Answer 1

Answer:

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