A student sits on a freely rotating stool holding two dumbbells, each of mass 2.93 kg (see figure below). When his arms are extended horizontally (Figure a), the dumbbells are 1,09 m from the axis ofrotation and the student rotates with an angular speed of 0.745 rad/s. The moment of inertia of the student plus stool is 2.64 kg m² and is assumed to be constant. The student puls the dumbbellsinward horizontally to a position 0.307 m from the rotation axis (Figure b)1(a) Find the new anguler speed of the student.rad/s(b) Find the kinetic energy of the rotating system before and after he pulls the dumbbells inward.KoeforeKate"

Answered: Image /qna-images/answer/acff069d-25d3-41d9-a3e8-dd17d0c482c4.jpg

rizontally to a position 0.307 m from the rotation axis (Figure b) D @ Find the new anguig speed of the student. rad/s Find the kinetic energy of the rotating system before and after he pulls the dumbbells inward before

rizontally to a position 0.307 m from the rotation axis (Figure b) D @ Find the new anguig speed of the student. rad/s Find the kinetic energy of the rotating system before and after he pulls the dumbbells inward before

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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