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An elevator starts from rest and raises vertically 40 m to attain its maximum velocity in T seconds, with acceleration record shown in the figure. Determine the time T and the maximum velocity reached by the elevator. An elevator starts from rest and raises vertically 40 m to attain its maximum velocity in T seconds, with acceleration record shown in the figure. Determine the time T and the maximum velocity reached by the elevator.

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Total height travelled h = 40 m

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