The collar E is attached to, and pivots about, rod AB while it slides on rod CD. If rod AB has an angular velocity of ωAB and an angular acceleration of αAB both acting clockwise, determine the angular velocity and the angular acceleration of rod CD at the instant shown.

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Given: αAB = 1 1 = 4 ft rad 2 COAB = 6 rad S 0 = 45 deg