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009 10.0 points uniform disk of radius 0.47 m is mounted frictionless, horizontal axis. light cord wrapped around the disk supports L.1kg object _ shown; When relea...

Question

009 10.0 points uniform disk of radius 0.47 m is mounted frictionless, horizontal axis. light cord wrapped around the disk supports L.1kg object _ shown; When released from rest the object falls with downward acceleration of 2.3 m/s?. 0.47 m 2.3 m/s? What the moment of inertia of the disk? The acceleration of gravity is 9.8 m/s? Answer in units of kg m? 11kg

009 10.0 points uniform disk of radius 0.47 m is mounted frictionless, horizontal axis. light cord wrapped around the disk supports L.1kg object _ shown; When released from rest the object falls with downward acceleration of 2.3 m/s?. 0.47 m 2.3 m/s? What the moment of inertia of the disk? The acceleration of gravity is 9.8 m/s? Answer in units of kg m? 11kg



Answers

A disk with a moment of inertia of $0.26 \mathrm{kg} \cdot \mathrm{m}^{2}$ is attached to a smaller disk mounted on the same axle. The smaller disk has a diameter of $0.180 \mathrm{m}$ and a mass of $2.5 \mathrm{kg} .$ A strap is wrapped around the smaller disk, as shown in Figure $8-10 .$ Find the force needed to give this system an angular acceleration of $2.57 \mathrm{rad} / \mathrm{s}^{2}.$


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