The 14-kg rod AB is pin-connected at A and subjected to a couple moment ofM=15 N. m. The rod is released from rest when the spring is unstretched at 0 = 30°. Asthe rod rotates, the spring always remains horizontal, because of the roller support at C.(Figure 1)Figurek = 40 N/mM = 15 N·m0.75 m1 of 1 >Part ADetermine the rod's angular velocity, measured clockwise, at the instant = 60°.Express your answer in radians per second to three significant figures. Enter positive value if the angular velocity is clockwise and negative value if the angular velocity is counterclockwise.IVE ΑΣΦ ↓↑ vecw= 4.161Submit Previous Answers Request AnswerX Incorrect; Try Again; 5 attempts remainingProvide Feedback?rad/s

The moment of inertia of rod about point A is I=ml23 =14×0.7523 =2.625 kg.m2 The spring stretched…

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