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The elastic limit of an elavator cable i...

The elastic limit of an elavator cable is `2xx10^(9)N//m^(2)`. The maximum upward acceleration that an elavator of mass `2xx10^(3)kg` can have when supported by a cable whose cross sectional area is `10^(-4)m^(2)`, provided the stres in cable would not exceed half to the elastic limit would be

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