Physics, 25.12.2019 23:31, cpratt2558

During the launch from a board, a diver's angular speed about her center of mass changes from zero to 6.90 rad/s in 250 ms. her rotational inertia about her center of mass is 12.0 kg·m2.
a. during the launch, what was the magnitude of her average angular acceleration?
b. during the launch, what was the magnitude of the average external torque on her from the board?

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During the launch from a board, a diver's angular speed about her center of mass changes from zero t...