Problem on cubical expansion — task. Science Test Space, Class 10.

Calculate the coefficient of cubical expansion of a zinc bar. Whose volume is increased 0.26

m^{3}

from 0.4

m^{3}

due to the change in its temperature of 70 \(K\).

Enter your answer here (Four digits only):

K^{- 1}

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12. Problem on cubical expansion