A person sitting on a rotating stool has two weights in his hands, each with a 10Kg dough. When opening its arms, as shown in the figure, the weights are 0.9 m from the axis of rotation and the rotates with an angular velocity of 3 rad/s. The moment of inertia of the person plus the stool is 5 Kg m2 and is constant. If the person moves the weights 0.25m from the axis of rotation. The angular speed of the system is:

A person sitting on a rotating stool has two weights in his hands, each with a 10Kg dough. When opening its arms, as shown in the figure, the weights are 0.9 m from the axis of rotation and the rotates with an angular velocity of 3 rad/s. The moment of inertia of the person plus the stool is 5 Kg m2 and is constant. If the person moves the weights 0.25m from the axis of rotation. The angular speed of the system is:

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter7: Gravity

Section: Chapter Questions

Problem 1PQ: We use the terms sunset and sunrise. In what way are these terms misleading?

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