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19. The formula for the inertia of a rotating disc isme, where Iis inertia, ris the radius of the disc, and m is the mass. Which formulacan be used to determine r, given m and I?

Respuesta :

The formula for inertia given by the problem is :

[tex]I=\frac{1}{2}mr^2[/tex]

Now given that I and m are provided, the formula in getting the value of r will be :

[tex]2I=mr^2[/tex][tex]r^2=\frac{2I}{m}[/tex][tex]r=\sqrt[]{\frac{2I}{m}}[/tex]

That's the answer

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