1. Your washing machine is spinning at 5 rev/s when you open the lid. After the lid is open the machine begins to slow down. You observe that it makes 10 revolutions before coming to a stop. Assume that the angular acceleration is constant after the lid is opened. a) What is the angular acceleration of the washing machine as it is coming to a stop? b) How long does it take the washing machine to stop?
1. Your washing machine is spinning at 5 rev/s when you open the lid. After the lid is open the machine begins to slow down. You observe that it makes 10 revolutions before coming to a stop. Assume that the angular acceleration is constant after the lid is opened. a) What is the angular acceleration of the washing machine as it is coming to a stop? b) How long does it take the washing machine to stop?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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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.
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