A 2.25 kg solid, uniform disk rolls without slipping across a level surface, translating at 4.00 m/s. If the disk's radius is 0.500 m, find the following.HINT(a) the disk's translational kinetic energy (in J)(b) the disk's rotational kinetic energy (in J)

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A 2.25 kg solid, uniform disk rolls without slipping across a level surface, translating at 4.00 m/s. If the disk's radius is 0.500 m, find the follow HINT (a) the disk's translational kinetic energy (in J) (b) the disk's rotational kinetic energy (in J)

A 2.25 kg solid, uniform disk rolls without slipping across a level surface, translating at 4.00 m/s. If the disk's radius is 0.500 m, find the follow HINT (a) the disk's translational kinetic energy (in J) (b) the disk's rotational kinetic energy (in J)

University Physics Volume 1

18th Edition

ISBN:9781938168277

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

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

Chapter10: Fixed-axis Rotation

Section: Chapter Questions

Problem 63P: A system consists of a disk of mass 2.0 kg and radius 50 cm upon which is mounted an annular...

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Concept explainers

Angular speed, acceleration and displacement

Angular acceleration is defined as the rate of change in angular velocity with respect to time. It has both magnitude and direction. So, it is a vector quantity.

Angular Position

Before diving into angular position, one should understand the basics of position and its importance along with usage in day-to-day life. When one talks of position, it’s always relative with respect to some other object. For example, position of earth with respect to sun, position of school with respect to house, etc. Angular position is the rotational analogue of linear position.

Question

A 2.25 kg solid, uniform disk rolls without slipping across a level surface, translating at 4.00 m/s. If the disk's radius is 0.500 m, find the following.
HINT
(a) the disk's translational kinetic energy (in J)
(b) the disk's rotational kinetic energy (in J)

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