If the temperature of metal sphere increases by △t , the fractional change in its moment of inertia is (α=Coefficientoflinearexpansion)
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If the temperature of metal sphere increases by △t , the fractional change in its moment of inertia is formulated as;
I₀ =25*m*r₀²
I′ =25*m*[r₀²(1+α*△t)*2]
I′ =25*m*r₀²[1+2*α*△t]
△I= 25*m*r₀²(2*α*△t)
△I/I₀ =2α△t
where, △I/I₀= fractional change
m = mass of metal sphere
r = radius of metal sphere
α=Coefficient of linear expansion
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