Two particles of mass m and 4m are connected by a light inelastic
string of length 3a, which passes through a small smooth fixed ring.
The heavier particle hangs at rest at a distance 2a beneath the ring,
while the lighter particle describes a horizontal circle with constant
speed.
Find
(a) The distance of the plane of the circle below the ring.
(b) The angular speed of the lighter particle.
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