NiravI21454 NiravI21454

30-10-2022
Physics

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Suppose that the 1.3 km span of the Golden Gate Bridge had no expansion joints. Calculate how much longer the bride would be if the temperature of the bridge increases by 25°C.

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JahliaS782588 JahliaS782588

30-10-2022

Given:

Δt = change in temperature = 25°c

L = Lenght = 1.3 km= 1300 m

Suppose the bride is made out of steel.

coefficient of Linear expansion of steel = 11 x 10^-6 /°C

Apply:

ΔL = L x coeficcient x Δt = 1300 ( 11x10^-6) 25 = 0.3575 m

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