Figure below shows a ring of mass m and radius r= 2.1 m rotating with an initial angular speed w, see figure. Initially, the two point masses, each of mass m/8, are at rest and located at O. These masses can move radially outward along two massless rods fixed on the ring as shown in the figure. At some instant, the angular speed of the system is 8w/9 and one of the masses is at a distance of 3r/5 from O. At this instant, what is the distance of the other mass from O (in m)? The moment of inertia of [the ring is Iing = m² [10 minutes 9 3r Before After

Figure below shows a ring of mass m and radius r= 2.1 m rotating with an initial angular speed w, see figure. Initially, the two point masses, each of mass m/8, are at rest and located at O. These masses can move radially outward along two massless rods fixed on the ring as shown in the figure. At some instant, the angular speed of the system is 8w/9 and one of the masses is at a distance of 3r/5 from O. At this instant, what is the distance of the other mass from O (in m)? The moment of inertia of [the ring is Iing = m² [10 minutes 9 3r Before After

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter11: Angular Momentum

Section: Chapter Questions

Problem 60P: A uniform rod of mass 200 g and length 100 cm is free to rotate in a horizontal plane around a fixed...

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