Question: During the launch from a board, a diver's angular speed about her center of mass changes from zero to 5 . 4 0 rad /

During the launch from a board, a diver's angular speed about her center of mass changes from zero to 5.40 rad/s in 190 ms. Her rotational inertia about her center of mass is 14.9 kg-m. During the launch, what are the magnitudes of (a) her average angular acceleration and (b) the average external torque on her from the board?

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