Question : The acceleration of a train between two stations 2 km apart is shown in the figure. The maximum speed of the train is
(A) 60ms^{-1}
(B) 30ms^{-1}
(c) 120ms^{-1}
(D) 90ms^{-1}
Answer : option (B)
Solution :
The acceleration of a train between two stations 2 km apart is shown in the figure. The maximum speed of the train is
with
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