An end of a light wire rod is bent into a hoop of radius r. The straight part of the rod has length l; a ball of mass M is attached to the other end of the rod. The pendulum thus formed is hung by the hoop onto a revolving shaft. The coefficient of friction between the shaft and the hoop is µ. Find the equilibrium angle between the rod and the vertical.
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area was 2.00 x 10-4m², and mass of 4.50 x 10-2 kg. a) How far from the bottom end of the rod should a mark of 1.000 ... to indicate the relative density of the water . 1.
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