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

College Physics
11th Edition
ISBN:9781305952300
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Chapter1: Units, Trigonometry. And Vectors
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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 /ing = mr² [10 minutes
9.
3r
Before
After
Transcribed Image Text: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 /ing = mr² [10 minutes 9. 3r Before After
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