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    By how much will a slab of concrete contract when the temperature drops?

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    By how much will a slab of concrete 18m long contract when the temperature drops from 24 degrees C to -16 degrees C. (the coefficent of linear thermal expansion for concrete is 12*10^-6 per degree C.)

    a. 0.86 cm
    b. 0.52 cm
    c. 8.6 cm
    d. 0.17 cm

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    https://brainmass.com/physics/temperature/by-how-much-will-a-slab-of-concrete-contract-when-the-temperature-drops-40357

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