Part b.
A thin hoop of mass 22 kg and radius 1.5 m rolls down an inclinethat is 4 meters tall. What is the velocity of the thin hoop at thebottom of the incline?
m/s
Part c.
A solid disk of mass 22 kg and radius 1.5 m rolls down an inclinethat is 4 meters tall. What is the velocity of the solid disk atthe bottom of the incline?
m/s
5.
[–/1 Points]DETAILSMY NOTES
A 10.3 kg tire that has a moment of inertia of 2340 kgm^2 isinitially turning at 20.5 revolutions/s. It coasts to rest after131 revolutions. What is the magnitude of the torque that slowedit?
N-m
6.
[–/1 Points]DETAILSMY NOTES
With her arms held against her body, a figure skater has amoment of inertia of 0.65 kg-m^2. With her arms extended, herrotational speed is 0.21 rev/s. But when she draws in her arms, herrotational speed is 0.74 rev/s. What is her moment of inertia whenher arms are extended?
kg-m^2
