*21-28. The rod assembly is supported at G by a ball-and-socket joint. Each segment has a mass of 0.5 kg/m. If the assembly is originally at rest and an impulse of I= {-8k} N•s is applied at D, determine the angular velocity of the assembly just after the impact. I = {-Sk} N -s 0.5 m 0.5 m 1m
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