Collar C moves along a circular guide with radius R = 2 ft with a constant speed υC = 18 f...

Collar C moves along a circular guide with radius R = 2 ft with a constant speed υC = 18 ft/s. At the instant shown, the bars AB and BC are vertical and horizontal, respectively. Letting L = 4 ft and H = 5 m, determine the angular accelerations of the bars AB and BC at this instant.

Figure P6.80