A horizontal disk of radius 0.6 m rotates freely about a vertical axis through its center with an angular speed of 1.5 rad/s. The rotational inertia of the disk is 4×104 kg.m?. Two wads of wet putties having masses 0.02 kg and 0.05 kg drop vertically on the disk from above and stick to the disk as shown in the figure at the same time. 6. a) What is the rotational inertia of the disk + putties system? b) What is the angular speed of the disk immediately after the two putties stick to it?

A horizontal disk of radius 0.6 m rotates freely about a vertical axis through its center with an angular speed of 1.5 rad/s. The rotational inertia of the disk is 4×104 kg.m?. Two wads of wet putties having masses 0.02 kg and 0.05 kg drop vertically on the disk from above and stick to the disk as shown in the figure at the same time. 6. a) What is the rotational inertia of the disk + putties system? b) What is the angular speed of the disk immediately after the two putties stick to it?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter8: Rotational Equilibrium And Dynamics

Section: Chapter Questions

Problem 62P: A disk of mass m is spinning freely at 6.00 rad/s when a second identical disk, initially not...

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