2) A square plate has 50cm side at 40 ° c knowing that α = 1,5-10-⁷ ° c¹

to determine:

A) the surface expansion coefficient β (β = 2.α)

B) Sheet area at 100 ° c (∆a = βAo.∆T)

3) A cube-shaped body has a volume of 1600cm³ at 20 ° c. Knowing that α = 2.7-10-⁵ ° c-¹

To determine

A) The coefficient of volumetric expansion γ. (Γ = 3.α)

B) If the body is heated to 160 ° C, what is the volume of the cube? (∆

V = γ. Vo.∆T)

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