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Part A The 20-kg rod AB is pin-connected at A and subjected to a couple moment of M =15 Nm. The rod is released from rest when the spring is unstretched at 0 = 30°. As the rod rotates, the spring always remains horizontal, because of the roller support at C. (Figure 1) Determine the rod'_s angular velocity, measured clockwise, at the instant 8 = 60° Express your answer using three significant figures. Enter positive value if the angular velocity is clockwise and negative value if the angular velocity is counterclockwise. να | ΑΣΦ 11 vec ? w = 1.96 rad/s Submit Previous Answers Request Answer * Incorrect; Try Again; 2 attempts remaining Figure 1 of 1 Provide Feedback Next > 0.75 m M=15N