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Homework Help
Introductory Physics Homework Help
Find the moment of inertia of this disk
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[QUOTE="collinsmark, post: 5369680, member: 114325"] Hello [USER=584407]@234jazzy2[/USER] , Welcome to Physics Forums! :welcome: Are you inquiring about how to find the mass of the cutout? Before the hole was drilled, the overall disk had a particular area that you can calculate. And the overall disk has a known mass, [I]M[/I]. With those you can calculate the disk's mass per unit area. That's sort of like the density of the disk. Then calculate the area of the drilled out hole section. Since you know the area of the cutout and the disk's mass per unit area ("density" like characteristic) you should be able to determine the mass of the cutout. It looks like you are on the right track so far. :smile: [/QUOTE]
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Introductory Physics Homework Help
Find the moment of inertia of this disk
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