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A connecting rod is supported by a knife-edge at point A. For small oscillations the angular acceleration of the connecting rod is governed by the relation α = −6θ, where α is expressed in rad/s2 and θ in radians. Knowing that the connecting rod is released from rest when θ = 20°, determine (a) the maximum angular velocity, (b) the angular position when t = 2 s.
Fig. P15.6
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