Two disks are initially spinning, one above the other on a small axle that provides a small, but non-negligible torque from friction, as shown in the figure below. Both disks have the same radius, R=2.67 m. Disk 1 has a moment of inertia I, 11.4 kg - m². Disk 2 has a moment of inertia ₂ 14.8 kg - m². Let vertically up be the z direction, such that counterclockwise rotation as viewed from above corresponds to positive values of the z-component. Disk 1 is initially spinning with a z-component of angular velocity ₁.215.5 rad/s, and disk 2 is initially spinning with a z-component of angular velocity ₂ = -20.2 rad/s.
Two disks are initially spinning, one above the other on a small axle that provides a small, but non-negligible torque from friction, as shown in the figure below. Both disks have the same radius, R=2.67 m. Disk 1 has a moment of inertia I, 11.4 kg - m². Disk 2 has a moment of inertia ₂ 14.8 kg - m². Let vertically up be the z direction, such that counterclockwise rotation as viewed from above corresponds to positive values of the z-component. Disk 1 is initially spinning with a z-component of angular velocity ₁.215.5 rad/s, and disk 2 is initially spinning with a z-component of angular velocity ₂ = -20.2 rad/s.
College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter8: Rotational Equilibrium And Rotational Dynamics
Section8.7: Angular Momentum
Problem 8.5QQ: A horizontal disk with moment of inertia I1 rotates with angular speed 1 about a vertical...
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Angular Collisions
How much thermal energy is created in the process of disk 1 falling on disk 2 such that they reach a common final
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