A potter's wheel of radius 14cm starts from rest and rotates with a constant angular acceleration until at the end of 25 seconds it is moving with angular velocity of 15rad/s. a. What is its angular acceleration? b. What is the linear velocity of a point on the rim at the end of 25 seconds.

A potter's wheel of radius 14cm starts from rest and rotates with a constant angular acceleration until at the end of 25 seconds it is moving with angular velocity of 15rad/s. a. What is its angular acceleration? b. What is the linear velocity of a point on the rim at the end of 25 seconds.

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 110AP: With the aid of a string, a gyroscope is accelerated from rest to 32 rad/s in 0.40 s under a...

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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

I need help with #1. Linear & Rotational Kinematics

1. A potter's wheel of radius
14cm starts from rest and
rotates with a constant
angular acceleration until at
the end of 25 seconds it is
moving with angular velocity
of 15rad/s.
a. What is its angular
acceleration?
b. What is the linear
velocity of a point on
the rim at the end of
25 seconds.

Study of objects in motion.

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