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 310 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? rad/s2 (b) During the launch, what was the magnitude of the average external torque on her from the board? N.m

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 310 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? rad/s2 (b) During the launch, what was the magnitude of the average external torque on her from the board? N.m

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter12: Rotation I: Kinematics And Dynamics

Section: Chapter Questions

Problem 57PQ

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