PrincessKeliah47081 PrincessKeliah47081

31-01-2020
Physics

contestada

The temperature of an aluminum disk is increased by 250 ∘C∘C. By what percentage does its volume increase?

Respuesta :

Vespertilio Vespertilio

01-02-2020

Answer:

Explanation:

rise in temperature, ΔT = 250 °C

coefficient of cubical expansion of aluminium, γ = 69 x 10^-6 /°C

So, the percentage increase in volume is

ΔV/ V = γ x ΔT = 69 x 10^-6 x 250

ΔV/ V = 0.01725

ΔV/V x 100 % = 1.725 %

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