119 2'2。speed of a train increases at aconstant rate α from zero to – InterviewSolution

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1.	119 2'2。speed of a train increases at aconstant rate α from zero to v, and thenremains constant for an interval, and finallydecreases to zero at a constant rate β. IfL be the total distance travelled, then thetotal time taken is(A) Lv1 1
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