The length of each side of a brass cube is 10 cm at 15°C. What is rhe increase in volume when it is heated to 60°C.? given coefficient of linear expansion of brass is 1.9x10 to the power -5/°C.
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We want to determine the increase in volume if a brass cube with side length 10 cm is heated from 15o C to 60o C.
The coefficient of linear expansion of brass is, α=19×10−6 /K.
⇒ The coefficient of volumetric expansion of brass is γ=3×19×10−6=57×10−6 /K.
⇒ΔV=V0γΔT=(10)3×57×10−6×(60−15)=2.565 cm 3.
⇒ The increase in volume if a brass cube with side length 10 cm is heated from 15o C to 60o C is 2.565 cm 3
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