During the launch from a board, a diver's angular speed abouther center of mass changes from zero to 7.00 rad/s in 310 ms.Her rotational inertia about her center of mass is 12.0 kgm2.
(a) During the launch, what was the magnitude of heraverage angular acceleration?
rad/s2
(b) During the launch, what was the magnitude of the avergageexternal torque on her from the board?
Nm