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July 30, 2014

Homework Help: physics

Posted by Anthony on Sunday, May 1, 2011 at 6:17pm.

at the instant shown, the 50 lb bar rotates clockwise 2 rad/s. The spring attached to its end always remains vertical due to the roller guide at C. If the spring has an unstretched length of 2 ft and a stiffness of k=6lb/ft, determine the angular velovity of the bar the instant it has rotated 30 degrees clockwise.

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