CalorimetryHard
Question
If I is the moment of inertia of a solid body having a -coefficient of linear expansion then the change in I corresponding to a small change in temperature ᐃT is
Options
A.α I ᐃT
B.
α I ᐃT
α I ᐃTC.2 α I ᐃT
D.3 α I ᐃT
Solution
I = MR2
I′ = MR2(1 + 2αᐃT)
ᐃI = I 2α ᐃT
I′ = MR2(1 + 2αᐃT)
ᐃI = I 2α ᐃT
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