12. Jo D. Kangaroo rides on the edge of a 3.0-m, 42-kg merry-go-round moving at 9.0 rad/s. Jo then walks to the merry-go-round's center. What is the rotational velocity in rad/s of the merry- go-round with Jo at its center if Jo has a mass of 75 kg? Treat Jo as a point-like object and the merry-go-round as a uniform disk.

12. Jo D. Kangaroo rides on the edge of a 3.0-m, 42-kg merry-go-round moving at 9.0 rad/s. Jo then walks to the merry-go-round's center. What is the rotational velocity in rad/s of the merry- go-round with Jo at its center if Jo has a mass of 75 kg? Treat Jo as a point-like object and the merry-go-round as a uniform disk.

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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