In an experiment to determine the moment of inertia of a metallic cylinder of radius r, the time taken for the cylinder to roll down the inclined plane is related to the height by t² = 2L²(1 + I/mr²)/(gh). Which combination of parameters is kept constant in the experiment?

University of Ilorin PHY107 2026-exam past question

  1. m, L, h
  2. m, L, r
  3. m, r, h
  4. L, r, h

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