The surface mass density of a disc of radius a varies with radial distance r as σ=A+Br where A & B are positive constants. Then, moment of inertia of the disc about an axis passing through its centre and perpendicular to the plane (in kg m2) is:

The surface mass density of a disc of radius a varies with radial dist

1.	The surface mass density of a disc of radius a varies with radial distance r as σ=A+Br where A & B are positive constants. Then, moment of inertia of the disc about an axis passing through its centre and perpendicular to the plane (in kg m2) is:
Answer» The surface mass density of a disc of radius $a$ varies with radial distance $r$ as $σ = A + B r$ where A & B are positive constants. Then, moment of inertia of the disc about an axis passing through its centre and perpendicular to the plane (in ${kg m}^{2}$ ) is:

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The surface mass density of a disc of radius a varies with radial distance r as σ=A+Br where A &amp; B are positive constants. Then, moment of inertia of the disc about an axis passing through its centre and perpendicular to the plane (in kg m2) is:

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The surface mass density of a disc of radius a varies with radial distance r as σ=A+Br where A & B are positive constants. Then, moment of inertia of the disc about an axis passing through its centre and perpendicular to the plane (in kg m2) is: