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if a steel flagpole get 5.1 mm taller when temperature increase by 5.0 degree celsius approximately how tall is the flagpole?

  • physics -

    Look up the coefficient of thermal expansion of steel. Call it a.

    a*L*(deltaT) = 0.0051 meters

    Solve for L.
    L = 0.0051/(a*deltaT)
    "deltaT" = 5 C

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