The armature (slender rod) AB has a mass of 0.20 kg and can pivot about the pin at A. Movement is controlled by the electromagnet E, which exerts a horizontal attractive force on the armature at B of FB = (0.20 (10–3) l 2) N, Part A where l in meters is the gap between the armature and the magnet at any instant. (Figure 1) If the armature lies in the horizontal plane, and is originally at rest, determine the speed of the contact at B the instant l = 0.01 m. Originally l = 0.02 m. Express your answer to three significant figures and include the appropriate units. Value Units v = Submit Request Answer < Return to Assignment Provide Feedback Figure < 1 of 1 E 150 mm
The armature (slender rod) AB has a mass of 0.20 kg and can pivot about the pin at A. Movement is controlled by the electromagnet E, which exerts a horizontal attractive force on the armature at B of FB = (0.20 (10–3) l 2) N, Part A where l in meters is the gap between the armature and the magnet at any instant. (Figure 1) If the armature lies in the horizontal plane, and is originally at rest, determine the speed of the contact at B the instant l = 0.01 m. Originally l = 0.02 m. Express your answer to three significant figures and include the appropriate units. Value Units v = Submit Request Answer < Return to Assignment Provide Feedback Figure < 1 of 1 E 150 mm
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