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A solid body floats in a liquid at a tem...

A solid body floats in a liquid at a temperature `t = 50^@ C` being completely submerged in it. What percentage of the volume of the body is submerged in the liquid after it is cooled to `t_0 = 0^@ C`, if the coefficient of cubic expansion for the solid is `gamma_s = 0.3 xx 10^-5 .^@ C^-1` and of the liquid `gamma_l = 8 xx 10^-5 .^@ C^-1`.

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