The two solid homogeneous right-circular cones, each of mass m, are fastened together at their vertices to form a rigid unit and are spinning about their axis of radial symmetry at the rate p = 200 rev/min. 

(a) Determine the ratio h/r for which the rotation axis will not process. 

(b) Sketch the space and body cones for the case where h/r is less than the critical ratio. 

(c) Sketch the space and body cones when h = r and the processional velocity is Ψ˙ = 18 rad/s.

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