1. An 8 kg uniform disk has a radius of 20 cm and spins on an axis through it's center and perpendicular to its plane Find its moment of inertia and its radius of gyration. 2. The wheel on a grinder is a uniform 0.9 disk of 8 cm radius. It coasts uniformly to rest from a speed of 1400 rpm in a time of 35 seconds. How large a friction torque slows its motion?

1. An 8 kg uniform disk has a radius of 20 cm and spins on an axis through it's center and perpendicular to its plane Find its moment of inertia and its radius of gyration. 2. The wheel on a grinder is a uniform 0.9 disk of 8 cm radius. It coasts uniformly to rest from a speed of 1400 rpm in a time of 35 seconds. How large a friction torque slows its motion?

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 58P: Shown below is a small particle of mass 20 g that is moving at a speed of 10.0 m/s when it collides...

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