Disc Rotated Flatly?

A disc is rotated with angular velocity \(\omega_{o}\) and kept on a floor with its area on the surface of table with coefficient of friction being \(\mu\) as shown in figure.

Find the time after which it stops( in seconds)?

First Generalize, Then put these values for answer

  • \(\omega_{o}=10 rad s^{-1}\)
  • \(R=4 m\)
  • \(\mu =0.3\)
  • \(g=10 m/s^2\)
  • \(M=4 kg\)
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