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The slender 12-kg bar has a clockwise angular velocity of w=2 rad/s when it is in the position shownm Suppose that L = 2.8 m. (Figure 1) Figure A L 1 of 1 Part A Determine its angular acceleration, measured clockwise. Express your answer using three significant figures. Enter positive value if the angular acceleration is clockwise and negative value if the angular acceleration is counterclockwise. IV ΑΣΦ | it Ivec 3 A ? rad/s² Request Answer Part B Determine the magnitude of the normal reaction of the smooth surface A at this instant. Express your answer to three significant figures and include the appropriate units. μA ? N₁ = Value Units Submit Request Answer Part C Determine the magnitude of the normal reaction of the smooth surface B at this instant. Express your answer to three significant figures and include the appropriate units. W ? NB= Value Units Submit Provide Feedback Ne Q= Submit Request Answer Pearson