Lag1989 task №4.4

Lag1989 task №4.4

Copper disk radius of 12 cm and a thickness of 0,1cm has six notches radius of 3cm (see. Fig.). cutouts centers are located on a circle drawn from the center of the disc radius 7cm, at equal distances from each other. Find disc inertia about an axis passing through the center of the disk perpendicular to its plane.

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