🌡️ Diameter of Hole on Thermal Expansion ❓

Описание к видео 🌡️ Diameter of Hole on Thermal Expansion ❓

A brass disc at 20°C has a diameter of 30 cm and a Hole cut in its Centre is 10 cm in diameter. Calculate the diameter of the hole when the temperature of the disc is raised through 50°C Coefficient of linear expansion of brass = 18 x 10-⁵ °c
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Heat
Linear Expansion
L2 = L1(1+Alpha*(t2-t1))

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