Spinning up a DVD

Classical Mechanics Level 2

A DVD player can exert a torque on a DVD of \(10^{-3}~\mbox{N} \cdot \mbox{m}\). What is the DVD’s angular acceleration in \(\mbox{rad/s}^2\)?

Details and assumptions

  • The DVD has a mass of \(0.015~\mbox{kg}\) and a radius of \(0.06~\mbox{m}\).
  • A DVD can be modeled as a thin, uniform cylinder.

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