Question: 14. [5 pts] A Physics 114 student is doing bicep curls using a cable machine. Her lower arm of length 38.0 cm pivots around the

14. [5 pts] A Physics 114 student is doing bicep curls using a cable machine. Her lower arm of length 38.0 cm pivots around the elbow joint, starting 40.0 below the horizontal. The forearm and hand together have a mass of 2.50 kg and the cable exerts a force of 75.0 N on the arm. Elbicsi The bicep muscle exerts a vertical force of 600.0 N on the joint lower arm and is attached to the bones of the forearm 5.50 cm from the elbow joint. The center of mass of this person's forearm-hand combination is 16.0 cm from the elbow joint, along the bones of the forearm. What is the angular acceleration of the arm if the moment of inertia of the arm is 0.120 kg.m?? 2.73 rad/s? 2.01 rad/s? 4.58 rad/s? 4.09 rad/s? 3.70 rad/s? monNw P

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