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Thermal Expansion of a flagpole

A tall steel flagpole was erected in Vancouver for Canadian Expo 1986. If the flagpole gets 5.1 mm taller when the average ambient temperature increases by 5.0^o C, approximately how tall is the flagpole?

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Change in length = Lo * a * (T2_T1)

Where Lo is the initial height, a is the Linear thermal ...

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