At the instant shown, bar CD is rotating with an angular velocity 20 rad/s and with angula...

At the instant shown, bar CD is rotating with an angular velocity 20 rad/s and with angular acceleration 2 rad/s2 in the directions shown. Furthermore, at this instant θ = 45°. Letting L = 2.25 ft, determine the angular accelerations of bars AB and BC.

Figure P6.98