Calculate the torque needed to bring a disc, which is rotating at 78 rev/min, to a stop within two revolutions after the torque is applied. The disc has a moment of inertia 280 kg m².

University of Ilorin PHY101 2026-exam past question

  1. 743 N m
  2. 372 N m
  3. 1486 N m
  4. 186 N m

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