Harumatsu6868 Harumatsu6868

25-01-2024
Physics

contestada

A disc of mass m and radius R has a concentric hole of a radius r. Its moment of inertia about an axis through its centre and perpendicular to its plane is :
A 1/2m(R² + r²)
B 1/2m(R-r²)
C 1/2m(R² - r²)
D 1/2m(R + r²)

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