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A rod length is l density of material is D and area of cross section A. It is rotates about its axes perpendicular to the length passing through its centre then find its kinetic energy is

Option 1)
$\frac{Al^{3}Dw^{2}}{3}$

Option 2)
$\frac{Al^{3}Dw^{2}}{12}$

Option 3)
$\frac{Al^{3}Dw^{2}}{6}$

Option 4)
$\frac{Al^{3}Dw^{2}}{24}$

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