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A uniform disc is rotating in a horizontal plane about a vertical axis passing through its ce a uniform speed of 60 r.p.m. A blob of wax of mass 50 g falls vertically on the disc and a to it at a distance of 15 cm from the axis of rotation. If the number of revolutions made

A uniform disc is rotating in a horizontal plane about a vertical axis passing through its ce a uniform speed of 60 r.p.m. A blob of wax of mass 50 g falls vertically on the disc and a to it at a distance of 15 cm from the axis of rotation. If the number of revolutions made

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A uniform disc is rotating in a horizontal plane about a vertical axis passing through its centre at a uniform speed of 60 r.p.m. A blob of wax of mass 50 g falls vertically on the disc and adheres to it at a distance of 15 cm from the axis of rotation. If the number of revolutions made by the disc is thereby reduced to 45 per minute, find the M. I. of the disc about its axis.
Transcribed Image Text:A uniform disc is rotating in a horizontal plane about a vertical axis passing through its centre at a uniform speed of 60 r.p.m. A blob of wax of mass 50 g falls vertically on the disc and adheres to it at a distance of 15 cm from the axis of rotation. If the number of revolutions made by the disc is thereby reduced to 45 per minute, find the M. I. of the disc about its axis.
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