The crank OA rotates in the vertical plane with a constant angular velocity wo = 7,9 rad/s. Link AB is a uniform slender rod. Determine the angular acceleration of the link AB for the configuration when the crank OA is horizontal. 0.4 m 1.0m 0.8 m Ltfen birini sein: Oa. a AB = 23,11 rad/s^2 counter clockwise Ob. a AB = 23,11 rad/s^2 clockwise Oc a AB = 36,98 rad/s^2 clockwise Od. a AB = 69,34 rad/s^2 counter clockwise Oe. a AB = 36,98 rad/s^2 counter clockwise %3D %3D %3D